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A Life With All The Frills

Summary:

Bakugou wants to try Cucking/Double Penetration. But they're too monogamous and possessive to want anyone but themselves. So he and Kirishima pay to have an alternate version of Kirishima pulled from a different reality.....

 

”Her name is Ren Himoko. Her quirk is Displace."

"Displace?" Kirishima asks, hopping on his foot with a tilted head to get the water out of his ear. "That's not the general "Copy" or "Clones"

"Yeah," Katsuki says, sitting on the edge of the bed. "That's because her quirks different. She's not really cloning. She's... pulling."

"Pulling?"

Katsuki nods, the action barely noticeable. "She pulls a version of you from a different reality. It's still you. Just different. The reason I picked her is because her quirk lasts a whole day. And you can do whatever you want to the clone, it's REAL. Not a copy."

"An... alternate me? How does that work?" Kirishima swallows.

Notes:

This is fiction!

Practice safe, discussed, consensual sex scenes.

(See the end of the work for more notes.)

Chapter Text

"Ei."

Kirishima pauses his coffee making process to turn to his boyfriend, he knows that soft tone, knows it means Katsuki has something he needs to get off his chest.

"Yeah, babe?"

"Got some questions for you," Katsuki says absently, putting a pencil up to his lips.

"Okay?" Kirishima quickly turns to press the Brew button before settling in front of Katsuki, propping himself up on the counter on his elbows. "Fire away."

Katsuki doesn't look at him, but his cheeks turn a surprising shade of red. Kirishima frowns, racking his brain for what kind of questions Katsuki could possibly ask--

"How do you feel about cock torture?"

WHAT?!

"WHAT?" Kirishima chokes.

"Is that a no?" Katsuki asks, dragging his eyes away from his computer.

"YEAH KATSUKI THAT'S A NO. Holy fuck. what kinds of questions are these?"

"Don't be dumb, Eijirou. They're clearly sex questions. Pay attention."

Kirishima groans and rubs his hand on his face. "Some warning woulda been nice" he grumbles into his palm.

"Eijirou." Katsuki says completely deadpan. "I'm going to ask you some sex questions. Buckle the fuck in." He clicks his mouse. "Wax play?"

Kirishima's forehead thunks to the counter. "Yes," he whispers.

"I'm not going to ask about shit we've already discussed or done. Obviously bdsm, pet play, noncon fantasy, orgasm denial, piss pla-- you know when I say them out loud I realize you're a fucking deviant, Ei." Katsuki says with a smirk in his tone.

"Me?" Kirishima squeaks. "Some of those were your ideas!"

Kirishima is in love with the way Katsuki's mouth tips up in a grin. "But not all of them," he says.

"What about dp?"

Kirishima raises his face from the counter to met eyes with Katsuki. He's still embarrassed but... "Absolutely not."

"You must feel pretty fucking strongly to actually look at me right now. Why not?"

Anger sparks up Kirishima's spine at the question. "What do you mean why not?" It should be clear why not! He's NOT sharing. "Do YOU want to try dp?!"

Katsuki doesn't answer, his eyes flicking back down to the screen. "What about cucking?"

The anger in Kirishima spine, spreads up his skin, and slams his jaw closed. They're just questions. It's not Katsuki asking for these things. It's just questions. "No."

Katsuki raises an eyebrow. "Why not?"

Trying to calm himself down, Kirishima exhales through his teeth. It's stupid to get upset, and it's not like him either. It's just... Katsuki is his. Just his. He's not sharing. "You didn't ask me why not on the cock torture."

Katsuki lifts a shoulder in a shrug. "I don't particularly want to try cock torture. I've been thinking about these."

Absently Kiri registers the sound of the counter cracking under his hardened fingers. He releases his quirk and pushes away from the counter. Away from Katsuki.

He just needs to... breathe for a second.

He knows Katsuki would never expect the questions to upset him-- no one would. He's Kirishima Eijirou, literal ray of sunshine.

But fuck if the idea of Katsuki being touched by another person doesn't make him what to snap bones.

The knowledge that Katsuki has been THINKING about some random person (or worse one of their FRIENDS) intruding on THEIR romantic alone time is enough to make him scream. The anger is hot and consuming but under the anger is something worse. Something acidic and toxic. It wraps around his heart and constricts because this is it, this is Katsuki admitting that Kirishima isn't man enough to satisfy him and he wants someone else to try.

Because of course. Of course, Kat would realize sooner or later that there's probably better for him out there.

Sure, Kiri's dick is longer and thicker than average, and yeah, Katsuki has never complained (quite verbally the opposite) but maybe it's just facts Ei sucks at sex. Instinct tells him to do anything to save his relationship from crumbling-- and it'll probably crumble if Katsuki is unhappy sexually- but Kirishima knows he can't. He wouldn't be able to survive sharing Katsuki with someone. Or letting someone touch his boyfriend. Kiss him. Fu-

"Ei?"

Kirishima doesn't respond. Instead he shakes his head hard, like a wet dog, trying to dislodge the thoughts in his brain as he pours Katsuki a cupful of the coffee he just brewed.

"I'm gonna take a shower," he announces, turning the coffee pot on warm.

Katsuki frowns. "There's more questions. And you showered earlier."

He had showered earlier. "My shoulder still hurts from Tuesday. Hot water helps." Not a lie, his shoulder did ache a little.

"Fine." Katsuki stands up from the stool. "I'll come sit in there with you and we can knock some of these questions out while you shower."

Usually Kirishima liked it when Katsuki came in the room with him, liked when he talked through the steamy curtain. Today though...

"It's cool, Kat. Just drink your coffee." Hoping Katsuki understood his words for the dismissal they were, Kirishima heads toward the bathroom.

Kirishima manages to get into the bathroom, lock the door, get undressed and get under the hot spray of water before Katsuki breaks the lock and jerks the shower curtain open, making Kirishima scream like a little girl and cover his nipples. (He doesn't know why okay)

"You're pissed at me." Katsuki says, not at all impressed with Kirishima's scream. "Fuckin tell me why."

"You want to fuck someone else!" Kirishima instantly explodes, all the rage he feels, tumbling out of his mouth. "You want me to WATCH you fuck someone else! Jesus Christ, Bakugou!" Kirishima jerks the shower curtain out of Katsuki's hands just for something to do.

"How would YOU feel if I came home and suddenly announced, 'hey babe, sorry for this, but I think I want someone else to get me off because JUST YOU isn't doing it for me anymore!' Or 'It would be super manly for you to watch how good they wreck me that way you can see a good job'

Fuck. His voice had cracked there at the end. He had meant to stay strong.

"It’s fine." He adds hollowly. "I'm sorry I'm not enough for you or whatever."

It's not like he spent the last seven years in /bliss/, thanking the Gods for FINALLY winning Katsuki.

Shouldn't be that hard to give him up, right?

It was going to kill him.

When he finally looks at Katsuki, he sees the blonde is standing there, mouth open, eyebrows scrunched together in confusion.

"Ei... I'm not... I didn't mean to... Fucking offend you or whatever."

"It's fine," he says. Even though it's not. "You can't help how you feel."

Katsuki scratches a hand through his hair. "I'm confused. I've seen your porn history. You've watched double penetration. Hell, you've watched gangbangs."

Kirishima flushes red. "I like cum inflation! It's hard to see that with just one.... I don't... I'm... My porn preferences aren't on trial here!" He shouts indignantly.

"Well, neither are mine!" Katsuki shouts back.

"I'm not attacking your porn preferences, Katsuki!"

"No, you're just attacking my kinks! That's the same fucking thing, Eijirou!"

Kirishima's voice raises a few octaves, until, yep. He's yelling.

"OH MY BAD. WHAT SHOULD I HAVE SAID-- OH DAMN KATSUKI! THERE'S NOTHING I WANT MORE THAN TO WATCH SOME STRANGE GUY FUCK YOU! MAYBE I'LL LEARN A THING OR TWO AND YOU CAN FINALLY BE HAPPY WITH ME!"

Katsuki reels backwards, like Kirishima's words are a physical hit. "Eiji. Holy fuc--"

"I don't understand what it is," Kirishima continues, way too worked up to stop now. "I know my cock's big. Even if I was fucking /blind/, the way you talk about it would give me a clue. And you've never complained from dissatisfaction before. EVER. I make you cum EVERY TIME, before I cum. Usually twice! I eat you out CONSTANTLY. I'm happy too! I beg for it! I do whatever you want me to, unless we're in a scene, and then you don't really want me to do it." He opens his mouth for a breath to keep going. "I'm sorry if I'm not big enough. Or thick enough, or if I can't move my hips a certain way, or maybe I'm too heavy, or maybe I get too sweaty-"

A warm hand slaps over Kirishima's mouth. He sighs against it, inhaling.

"Eijirou. Holy fuck, Ei. Calm down for a second. Jesus." When Katsuki's sure Kirishima isn't going to start yelling out insecurity again, he pulls his hand away.

"Alright. Let's unpack this. First off, too sweaty? When we get done fucking there's a me-shaped sweat imprint in the bed. You literally almost slid off me once."

“Too heavy? That’s pussy-shit, Ei. I fuckin' ask you all the time to pin me down with unbreakable. I want you to fucking SUFFOCATE ME."

Katsuki reaches in and jerks the water of the shower off.

"Your cock is huge, you know that. I'm not gonna stroke your ego." He tosses a towel into Kirishima’s fumbling hands. "But just incase you don't know--" Katsuki grabs a handful of red hair and jerks Kirishima down until their noses are touching. "Your cock is massive. I seriously am afraid of it. Like a horny kind of afraid. Like you could tear me apart horny afraid. You move your hips PERFECTLY, asshole. You know this too. You fuckin'.." Kat's voice turns to a whisper, despite it being just them. Pressing their foreheads together he says, "you know you make me cry. That's not because you're bad at sex, Ei. It's because you blow my mind."

He snorts. "I AM happy with you. Idiot. Also... Fucking... damn it, Ei. You make me sound bad! It sounds like you're this sex god who gets me off fifty times and I do nothing to help you come! I owe you, alright? I'll fucking start making it up to you."

A smile teases Kirishima's lips. "You don't have to make anything up to me, Katsuki. You know I love having sex with you."

Fondly, Katsuki slides a hand up to cup Kirishima's cheek. "Good.." he says softly, before lightly slapping Kirishima's face. "So what the FUCK was that blow up for??"

Kirishima ducks his head, stepping out of the shower. His cheeks pinken a little as he admits, "If I'm so big and good at sex, then why do you want someone else to fuck you?"

At Kirishima’s words, Katsuki convulses, his tongue sticking out in a look of disgust. "FUCKING GROSS, EI." Kirishima watches in confusion as Katsuki actually gags, a full body shudder working through him. "I'd rather die than let some extra inside me. My ass is yours, and yours only."

That's... that doesn't make sense. Unless.. oh! Katsuki's confused! "I feel silly now. Kat, dp means two cocks. Inside you. Or me, I guess. GODS, DID YOU MEAN DP FOR ME?!? I DON'T WANT ANYONE ELS--"

"CHRIST, EIJIROU, NO! No! Fuck you! I'm not sharing you either!"

"You're not making any sense!" Kirishima whines.

Katsuki shoves at Eijirou's chest. "I wanted you and a toy! You fucking asshole. A SMALL toy, you massive-dicked himbo." He crosses his arms over his chest as he watches Eijirou redress. "A vibrating one, maybe."

Oh damn. That.. that made a ton of sense.

But wait. "What about the cucking."

They couldn't cuck with a toy.

Katsuki shuffles his feet. With his face flamed and his awkward shifting he reminds Kirishima of the first time they kissed back in high school. It's adorable. And his heart swells when Katsuki admits-- "I wanna... fucking... there's this clone quirk..."

"Oh! A clone quirk!" Instantly, like an excited puppy Kirishima shouts, "oh my GOD, COULD THEY MAKE TWO YOUS?! OR THREE?! OR FOUR? OR OH MY GOD FIV--"

"Eijirou," Katsuki says with a laugh. "No. It has to be you-- we both know I would kill all my clones for even looking at you."

"Plus, it's not like I can ask Ectoplasm or that villian from first year. And I want a clone that can handle some damage. Otherwise it'll dissipate the moment my explosions or nails or teeth puncture the thing." Katsuki pushes open the bathroom door. "I have a file."

While Kirishima dries his hair and shakes out like a wet animal, Katsuki pulls out the manila folder from in between the mattress. He turns to see Kirishima looking at him with wonder. "Shut up." He rumbles. "Don't give me that look. I just wanted to research her. That's it."

"Suuuuuurrrre, Katsuki." Kirishima teases. "It sure looks like you knew I'd say yes."

"WHAT THE FUCK EVER! ANYWAY," he opens the folder .”Her name is Ren Himoko. Her quirk is Displace."

"Displace?" Kirishima asks, hopping on his foot with a tilted head to get the water out of his ear. "That's not the general "Copy" or "Clones"

"Yeah," Katsuki says, sitting on the edge of the bed. "That's because her quirks different. She's not really cloning. She's... pulling."

"Pulling?"

Katsuki nods, the action barely noticeable. "She pulls a version of you from a different reality. It's still you. Just different. The reason I picked her is because her quirk lasts a whole day. And you can do whatever you want to the clone, it's REAL. Not a copy."

"An... alternate me? How does that work? Kirishima swallows. "What color is my hair going to be?"

Katsuki barks out a laugh. "THATS what you ask? Not "What if we aren't together in that version of my reality?"

Now it's Kirishima's turn to laugh. "That doesn't matter. Even if we aren't together in that reality, it's still ME, right? I promise EVERY version of me would gladly fuck you given the chance."

 

Chapter Text

"You understand, I am in no way responsible for what comes out of this, right?" Ren, a small dark haired woman, slaps down a packet of papers in front of Kirishima and Katsuki both. "Look at me. I'm telling you I could pull you a fish. Or a kid."

"I'm not stupid. You guys clearly secrete, 'we're tryin to fuck a clone.' Which is fine. I myself know all my clones, PERSONALLY. I just want to make sure you know that what I might pull through might not be fuckable. Or it could try to kill you--if it's anything like my clone."

Katsuki rolls his eyes. "We fucking got it. We still want to do this."

Ren nods. "Fine. Sign the contract."

As soon as they both sign, Ren snatches the papers and reaches for the envelope in front of Katsuki.

Katsuki's hand slaps down on it, preventing her from sliding it across the table. He flashes his teeth. "I'm gonna be mildly pissed if we pay 7 grand for something unfuckable."

Ren meets fire with fire and flashes her teeth back. "Anything's fuckable if you try hard enough. Now give."

With a tch, Katsuki releases the money.

"How does this work?" Kirishima interrupts, nerves coloring his voice. "I mean, I know what happens but how do you--"

Ren steps forward and presses her fingers to Kirishima sternum. A gold light spreads from her hand to encase Ei entirely, until every inch of him is golden.

And then it snaps.

The color disappears and Ren turns away to slide the money out of the envelope and into her waiting hand. "You have until 8am tomorrow morning to play. See ya!"

"WAIT!" Kirishima shouts. "Where is he?... er... me?"

Ren turns back around, scanning the room. "Hmm. Sometimes it takes a bit. Unless you guys notice one more pencil or an extra chair or something? If not, he's probably coming. Sometimes it takes a while to pull if they fight it. Don't worry he'll pop up wherever you are."

"Have fun!" She shouts, as the door slams shut behind her.

Leaving Kirishima and Katsuki alone. In her office.

"Well." Katsuki starts. "You don't see any fuckin extra pencils, do you?"

Kirishima lasts all of 3 seconds before he busts out laughing. A pencil. They could have paid 7000 for a pencil. "This is crazy," Kirishima says through giggles.

"Fuck yeah it is. I like her though. So if this works out we can hire her again.

"I wonder what's taking me so long? I mean I also probably wouldn't want to be sucked from my universe. But I'm anxious."

"You're anxious? You're not the one that's getting fuc--"

A pop of bright light and smoke has Kirishima lunging for Katsuki. He crashes into his boyfriend's chest, slamming into him so hard that the chair he's sitting on slides out from under him and they land on the floor.

Katsuki shoves him off, eager to see around him. He scrambles to his feet, eyes wide like a child at Christmas time.

Smoke billows around the conference table, but it's not thick enough that they can't see the massive lump in the middle.

Kirishima tries to reach for Katsuki's arm to drag him back --they have NO FUCKING CLUE what just appeared-- but Katsuki slams his hands away.

"Hey!" Katsuki calls out.

The lump in the middle unfurls, a shifting of cloth. A deep rumbling growl fills the room, the sound threatening and menacing. The shifting of metal..(?) accompanies it.

One red eye is reveled through the smoke, so bright that it looks like a laser.

Kirishima sees it first.

Katsuki must be too close, too focused on the whole of the creature, that he misses small characteristics revealed in the disappearing smoke.

Teeth. Teeth even sharper than his own.

Two pillars of hardened bone protruding from the creature's forward.

Red scales across a chiseled cheekbone.

Two giant wings starting to unfold from the creatures back.

The scrap of claws on the wooden table.

HOLY FUCK. They brought forth a dragon!

A dragon that was snarling, probably hungry, and staring right at Katsuki.

And then the smoke is gone. And Katsuki is inches away from a ready to pounce dragon. "Fuck," he says, and holy hell is that reverence in his tone? Not apprehension? "Goddamn, you're fucking beautiful," he whispers, barely heard under the loud rumble from the dragon.

Kirishima watches in horror as the creature leaps off the table and lunges at Katsuki. Kirishima has no time to react, no time to scream.

He scrambles to move, but he jolts into action too late. The dragon version of himself knocks Katsuki to the ground and Kirishima briefly sees his worst nightmare unfold in his head. Oh god, he's going to tear Katsuki apart! Oh GOD-

Wait.

Katsuki throws his head back in a loud moan, his spine lifting up from the carpeted floor.

The dragon hybrid thing has his thighs spread over Katsuki's hips, his wings beating frantically in the air as he hunches over Katsuki. A long red tail thumps against Katsuki's leg as the loud rumble gets deafening.

It's... not a growl... it's... the thing is purring.

It's tongue laps against Katsuki's neck, before it rubs it's face against the spots it's licked.

"'Suki!" It says excitedly, and wow it's weird to watch himself, even if it's not /really/ him. It looks like a fantasy cosplay of himself. "Where are we?? Why're you dressed funny?"

Kirishima's jaw almost drops to his chest.

It's... it's almost like a puppy!

"Shitty dragon," Katsuki says affectionately, dragging the dragon down with a yank to his horn so they meet in a soft headbutt. "I'm not your 'Suki. I'm a different version." His other hand sweeps down dragon spine and he groans to feel spikes. "Still a good version though."

Kiri, the real Kirishima bristles to see Katsuki so openly affectionate with... himself. Which is stupid. He's not really jealous, but he is feeling //left out// and he doesn't like it.

He moves forward, intending to feel the spikes himself, when the dragon's head snaps up.

When he registers what he's looking at all hell breaks loose.

"WITCH!" He shouts, suddenly jumping off Katsuki. His hand flies to the knife sheath at his side, and he tackles Kirishima to the ground.

Kiri throws up his hardened arms, the knife grating, but not cutting. He pushes against the dragon with all his weight, manages to flip them over so he has the advantage. The knife gets punched away, and it clatters to the ground a few feet from them. Having no weapon doesn't slow dragon Kiri down for a second.

He pushes off the ground with his tail and slams Eijirou into the ground so hard, he sees stars. His head wipes forward, teeth glaringly white as he goes it to rip out Kirishima's throat. Kirishima thanks the gods for his hardened skin as the dragon's teeth doesn't pierce skin.

Looking around for something to use as a weapon that won't hurt his alternate self too badly, Kirishima tries to elbow himself in the temple. Because of the grapple, his blow lands on the dragon's mouth and his fang slices his lip.

The dragon snarls, blood drips onto Kirishima's cheek. His claws extend and--

A moan makes both of them freeze. Hands still locked together, the both turn toward the sound.

Katsuki is spread out on an office chair, pants shoved down to his knees. He's panting, one finger working inside himself. "Fuckin' hot." He pants.

"Katsuki! Not here!"

"Master! Not in front of this imposter!"

....

.... Both Kirishima and Katsuki look at the dragon. What... what did he just call Katsuki?

"FUCKING HOT," Katsuki suddenly groans, squeezing a second finger inside of himself.

OF COURSE being called Master would turn Katsuki on, Kirishima thinks with an eye roll.

"Come 'ere." Katsuki rushes out, crooking the fingers of the hand not inside himself.

With a whine, Dragon!Kirishima immediately disentangles from his counterpart and crawls to Katsuki's feet. He lays his head softly on Katsuki's thigh, giving a soft purr as Katsuki's hand presses into his hair, running through the soft strands. "You're mine," Katsuki confirms, playing the part of master, gently shuddering as he stretches himself open.

"Yes," dragon Kiri breathes.

"He's mine, too."

Dragon Kiri frowns. "But--"

"No." Katsuki interrupts. "He's mine."

Kirishima watches as a pout is pressed into Katsuki's skin, followed by a quick nod.

"Good boy."

It's cute, Kirishima notes, to watch the two of them together. To watch Dragon Kiri blush. But also.... Kirishima stands up and walks over to Katsuki. For a second he debates telling his boyfriend to get dressed, get the keys, and get them out of here.

But... he wants to be good too.

So he also drops to his knees, beside his counterpart, and lays his face on Kat's other thigh.

Katsuki lets out something too close to a mewl, and presses his thigh into Kirishima to rub against. "My good boys." He says, voice thick.

Kirishima shifts forward, prying Katsuki's legs apart with his shoulders so he has more room than the other Kirishima. Dragon Kirishima snaps his teeth, and Katsuki shakes his head. He pulls his fingers out of his hole, wet with his spit, and wipes them on his jeans.

"You need to get along." He commands, his cock twitching on his stomach. "You have a lot of anger for being the same person."

"We are not the same."

"We're not the same!"

"Right." Katsuki says with a tight smile. "But you're both mine. So you need to stop. In fact... kiss and make up. Right now."

Kirishima sputters indignantly. The nerve! They brought this lizard forward for KATSUKI to bed. Eijirou wasn't kissing himself.

Even if he did wonder what it would be like to kiss himself. Like... what were his teeth like to Katsuki? Did they feel nice?

"I'm not kissing--"

Katsuki hand yanks Kirishima hair until his head tilts back. "You will, Eijirou. If you want to play with me later."

Good gods. Katsuki was so freaking hot.

Kirishima is about to grumble his agreement, but before he can two hundred pounds of dragon land in his lap and shoves their mouths together.

Kirishima winces, as their teeth scrap together and his bottom lip becomes victim to their meeting.

It had taken him an insanely long time to get good at kissing Katsuki, and now, because of all the practice they did, it was easy to do. They rarely walked away with battle wounds from making out, except for those infrequent times were sex got crazy out of control. But Kirishima had never kissed anyone with his teeth because the idea of kissing Tetsu had never appealed to him. So he was not good at all at maneuvering his own teeth.

And Dragon Kirishima was like a live wire in his lap, grinding and gasping, and putting /way/ too much effort into something they were practically being forced (consentingly) to do.

"Slow down." Katsuki demands, suddenly close to their faces. He pulls dragon Kirishima away an inch, licking his lips as he looks at his red spit soaked mouth. "Do you need me to show you how or what."

Kirishima's not stupid. He knows Dragon Kirishima needs zero help kissing. But that doesn't stop the lizard from nodding his head fast, as he leans into Katsuki.

And Kirishima can't really blame him. Because it's what he would have done.

Kirishima watches as his boyfriend leans in and presses his mouth to the dragon's. They both groan at contact, and Katsuki wastes no time pressing his tongue in between lips to tangle with Kirishima number two's.

Kirishima watches as Katsuki devours his mouth like he was born to. The way Katsuki moves is amazing. It's mesmerizing and it's something he wishes he could watch more. But until Katsuki lets him install a mirror on the wall next to their bed, he'll have to make due with the sparse times he gets to fuck Katsuki in front of the bathroom mirror.

Kirishima has to adjust his cock when Katsuki's eyes open and he looks to Kirishima as he tilts the dragons chin with his hand and to move him the way he wants, spit connecting their mouths together.

It's maddening. He needs more.

"I want a kiss." Kirishima declares, shoving at the dragon's shoulder so he's pushed backwards.

The dragon hisses, small frills suddenly popping out of the sides of his neck. "Mine!" He snarls, his eyes slitting.

Kirishima looks daggers into the dragon, puffing out his chest a little. He's not about to be intimidated by a scaly version of himself.

And he wants a freaking kiss.

"I said stop." Katsuki repeats, grabbing Kirishima's shirt and pulling him forward. "You're starting it." The blonde breathes against Kirishima's lips. "Be nice to him. You agreed to let him come here. So play nice, Kirishima. Or he'll go back home without getting a glimpse of why we brought him here."

Kirishima bites his tongue, holding his scathing retort of how he sees how hard Katsuki's dick is and how he's not a fucking idiot, he /knows/ Katsuki isn't going to give up this treat, even if Kiri is acting a little like an ass.

Instead, he nods. Fine. He can play nice.

"Fine. Let's go home." There's no point in getting more into it now, not here in Ren's office when they have no idea when she'll return. Plus, they don't have lube here.

Dragon Kirishima perks up, looking around the room as if he's actually seeing it for the first time. "Wait."

He scratches his horn, eyes roaming around the room as his frills pin back into his neck, until they're invisible again. "This isn't our cave. This.. this is sort of like that inn we stayed at a fortnight ago. 'Cept it's.. different. There's... a lot of fancy stuff here, Master."

They both watch as Katsuki stands up and pushes his dick back into his pants. It takes him a few tries, his scowl worsening when his stuffing forces his cock to press against his zipper. Finally, he gets the button latched and only has to spread his legs once to get comfy.

After he's situated, he registers that dragon Kirishima had commented on their surroundings. Beckoning the lizard forward, he answers, "This is... probably completely different than what you're used to. Based on your clothes you're coming from Dothraki times."

Kirishima's tail thumps against his leg as he shrugs at Katsuki's words.

"Just... come on. I don't want to waste our time talking about electricity and internet. I wanna get home and get down to the good bits."

"The good bits, Master?"

"Yeah," Katsuki says, grabbing two warm hands, one covered in small ruby scales, one covered in unblemished tan skin. "The part where we all come our fucking brains out."

 

Chapter 3

Notes:

Warning! KATSUKI IS SAFETLY RIGGING EIJIROU TO THE CHAIR. Dragon Kirishima breaks a sex rule/pushes boundaries set before the scene!

 

PRACTICE SAFE SEX IN REAL LIFE.

Also thank you to PastelHurrican1 for the idea of a collar!

Chapter Text

It took a whole hour longer to get home than it should have. Kiri dragon was a fucking animal, and not because he was part lizard. He was impossible to contain on the streets, his frantic "WHAT'S THAT!" and "HOW DOES THAT WORK?" Katsuki had to actually hold him by the waistband of pants to stop him from lunging at a lady using a cellphone.

The elevator up to their apartment had made his frills pop out again, and the tv had him shouting "spell work!" At the top of his lungs while he threw things.

"Alright," Katsuki announces from their barely used kitchen table.

He'd immediately branched off as soon as they got home, shoving Ei towards the living room with a curt, "Entertain him." As he went to go work on something in the kitchen.

Kirishima puts away the cat laser he's spent the last few minutes shining on things to watch himself chase after.

It's probably not... acceptable? For him to do so, but dragon kiri is having a blast and admits its adorable to watch himself.

As they both sit around the table, Katsuki pulls a paper pad and a pen towards himself.

"Alright. I wanna start. Now. So, we need to discuss everything." He's looking directly at human Kirishima as he says, "We pulled Dragon Kiri for pleasure, right?"

/This is okay, right?/

"Pleasure?" Dragon Kiri chirps excitedly. "I like pleasure, master!"

Kirishima doesn't say anything at first, eyes roaming over Katsuki and then himself.

Yes. "Yeah," he croaks out. "I want it."

"Promise?" Katsuki asks, just to be sure.

"Promise." He does want it. He wants to watch himself fuck his boyfriend into the mattress. He wants the pleasure of being able to see it but not participate. He wants.. he wants to watch Katsuki look at him while he's being wrecked.

"Okay. Some ground rules, then. Does anyone have any requests?"

They both look toward dragon Kiri. He was the one being pulled from his world to service them. It was only fair they hear his requests.

"Me? Oh, I'm just happy to be here, Master! I'll do whatever!"

Katsuki rolls his eyes. "Okay. Ei. Rules."

For a split second Kirishima considers being selfish. He about shouts how he doesn't want Katsuki to kiss the dragon, but that's stupid and also it was the hottest thing he'd ever seen-- so that's out. "Uh... I don't know...Maybe... I dunno. Tell me what YOU want from this. And I can tweak it if I need to."

Katsuki frowns. "Ei--"

Kirishima holds up a hand. "Wait. That sounds like I'm just doing this to make you happy. I want to do this. I just wanna know what you want too."

Katsuki nods, his cheeks pinkening just slightly again. It's adorable, and Kirishima lives for it. Loves the way he's embarrassed to ask for things or the way the flush spreads to his freckled shoulders when he's getting what he wants. "I want you to watch." He clears his throat. "I want you to sit down, or let me tie you to the fucking chair and I want you to hear me scream for you. I wanna beg YOU while he fucks me. I want you to tell me when I can come." Katsuki takes a shaky breath. "But I also want him to try to make me cum without your permission. Maybe I want you to jack off, as you watch him destroy me. I wanna see you cum all over yourself while you're not allowed to touch me. I want him to spit in my mouth and you to call me a fuckin slut and I wanna come so hard I black out."

...holy fuck.

"Katsuki," Kirishima moans, ripping his boyfriend out of his seat to slam their lips together. Katsuki cries out against his lips, already shaking with anticipation of what's to come, his thighs pressing together to calm his dick.

When they pull apart, panting and red faced, Kirishima whispers, "Fuck yeah. Let's do that." As Dragon Kirishima watches them together with large eyes.

"Any problems? Any hard no's?"

Kirishima's thumb traces Katsuki's bottom lip. "I want you to call me Eijirou. Do not call him Eijirou." He peppers a kiss to Katsuki's brow. "You need to listen to me. Do what I say during."

"I can do that." Katsuki says, eyes full of lust.

"Good." Kirishima pushes away and turns to Dragon Kirishima. "I don't want you to come in him. You hear me? That's mine. Not yours."

Dragon Kirishima's eyes narrow, he doesn't seem to hear. "Katsuki is mine."

Katsuki laughs, despite his pants threatening to burst. "Get in the fucking bedroom. Now."

 

It's impossible to determine who runs the fastest.

Dragon Kiri jumps onto the bed like an oversized great dane, knocking pillows to the ground as he trills, "so soft Katsu!" He kicks his feet, and grins, holding up a soft pillow to his chest.

Katsuki barks out a laugh, and Eijirou can't help but join---

Until Katsuki puts a foot on the edge of the bed and unsnaps his pants.

Then everyone gets serious.

"Oh," Dragon Kirishima breathes, pushing on his heels so he can work his own trousers off.

He has scales on the back of his thighs and across one knee. His tail is very large, and long, and wraps around his ankle as he slides onto all fours.

Katsuki groans. "What are you doin?"

Kirishima turns his head to look over his shoulder, expression sultry. "I'm ready to fuck, Master." He bites off a claw from his finger, and rubs over the soft skin of his hole. "Well. Not ready ready but--"

"Not this time," Katsuki chokes out, eyes rapt on Dragon Kirishima's movements. "You're fucking me."

Dragon Kirishima's expression is all wonder, and shock. "ME?! KATSU! THAT'S! YOU'VE NEVER LET ME- I!" His tail thumps fast. "YES YES YES!"

Eijirou drags a chair from the kitchen, his heart threatening to burst out of his chest. His hands slide against the chair's smooth arms, and he's breathing hard by the time he pulls it up to the bed.

Katsuki stops in front of him, and Ei looks down to his boyfriend with a grin.

He's shorter, thinner, but that hardly matters as Kat shoves a hand against Eiji's chest until he's forced into the chair.

Katsuki crawls in his lap, one knee practically pressed into his stomach as he grips Eijirou's chin. "I'm gonna tie you up, baby. Be a good boy and STAY.” He kisses his mouth before moving off. Kirishima can't stop his whine as he chases his boyfriend's lips. Katsuki doesn't humor him, instead moving to their bedside drawer to pull out tape and shibari robes.

Eijirou has two left hands, or at least he might as well have. He's never been good at tying Katsuki up and he doesn't have the patience to work intricate knots. Katsuki, however, will spend hours lacing Ei to the headboard or a chair or that one rare time he'd tied Eijirou to the balcony railing and rode him in the almost daylight.

Katsuki walks toward him with fire in his eyes, and the ropes snap against his hand when he cracks them. Kirishima watches from the bedspread, legs kicking off the side, as Katsuki winds the robe around the arms of the chair and Eijirou's arms.

As soon as Katsuki tightens the first knot, Eijirou's mouth dries and he has to swallow twice just to get a breath into his lungs.

He watches in fascination as Katsuki works, his brow furrowed as he concentrates on a tie that will hold Eijirou even through rigorous struggle. When he gets both arms tied, there's only a short piece if robe left and the tape. Tape-- specially bought to only adhere to itself and not skin.

With a question in his eyes Katsuki drops to his knees between Eijirou's spread legs and rubs a hand down to his thick ankle.

He wants to tie Eijirou's legs to the chair too.

He wants him completely helpless.

Eiji nods--fast before his nerves convince him to say no. It's thrilling to be held down. To be "forced" to watch his boyfriend be fucked. Even if it is by a version of himself.

Plus, he's never really trapped. Not with his quirk and not with the use of safe words.

But it feels so fucking good to be forced to let go.

Katsuki steps back to admire his handwork, a smirk of self-satisfaction on his face. He tests the caliber of the ties, before he looks to the last length of rope. "Eijirou."

Ei tries to steady his quick inhales to something similar to his norm. "Yes, Katsuki?"

"I want to tie your neck." Katsuki bites his lip, rubbing fingers down the silk of the rope. "But that's probably... dangerous..."

"...You probably shouldn't... do that..." Eijirou says, even though he wants that too. "I'll end up choking myself."

"Yeah..."

Dragon Kirishima pushes himself up to his knees and he bounces forward with a fast, "You could tie his collarbone! Like under his arms!"

"The ropes not big enough to wrap around his thick-ass chest," Katsuki comments. "I'd have to tape him down."

Dragon Kirishima hums out a soft sound, and Eijirou breaks his stare with Katsuki to watch himself approach the bedroom drawer with apprehension and curiosity.

He leans over the edge of the bed, stretching himself until he can look inside.

Eijirou and Katsuki's sex life can be classified as blisteringly healthy. They fuck at least once a week, usually three times if you count their half asleep frottage sessions. They keep lube in every room of the house, because sex isn't usually planned. It just happens because Katsuki is too fucking hot and Eijirou is fucking shameless with his body. They have... a few toys in varying types, shapes, and functions. Varying from simple vibes to a double ended dildo crafted to look like an alien tentacle.

Also stuffed in the drawer is Katsuki's favorite lingerie, his lace jocks and skimpy thongs and two corsets that have the indent of Eijirou's teeth in the leather.

DragonKiri's mouth falls open when he sees the exotic trinkets. He's got his head cocked to the side as he pulls out a particularly detailed vibrator and when his thumb accidently slides against the power button and it whirls to life, his frills pop out of his neck with a chirp.

Katsuki has to pry the toy from Kirishima's grip, especially after the blonde explains where it goes and what it does.

Dragon Kiri pouts as the toy is taken, and he looks so dejected that Eijirou almost tells Katsuki to give it back.

After Katsuki ruffles his hair, Kirishima perks up significantly, and when he reaches for the drawer again his sorrow disappears completely.

He pulls out Katsuki's lingerie, eyes slitted, as he rubs the materials over his neck. He makes animal sounds, high pitched clicks and low rumbles as he rolls on top of the pile like a horse trying to scratch its back. He reaches back in the drawer and then suddenly (like he flew) he's by Katsuki's side standing in front of Eijirou.

"Here, Master!" He says happily, pressing a leather collar into Katsuki's hand. It's the slim one, with the buckle in the back and the O ring in the front. They've only used it twice before and from the heated look in Katsuki's eyes it's about to be three times. "Tie him to the chair with this! It's safe, right?" He asks quickly, excitement bleeding through. "He won't choke?"

Katsuki clutches the collar in his fist, expression evil as he grins and eases down into Eijirou's space. "Good boy, Kiri. Nah. He won't choke."

Ei can almost taste the pleased aura around Katsuki as he collars Eijirou. Katsuki is careful with the latch, using his finger to measure the correct amount of safe space between the leather and Eijirou's neck. He slides the collar, until it's facing backwards, so the O ring can be used with the rope to tie him to the back of the chair.

When Katsuki is done, Eijirou is strung up like a prized pig at a fair. Katsuki kisses his lips, hands running over his knots with a smug air.

"It looks like my rut collar!" Kirishima says out of nowhere. "But it has fur inside. I'll have to tell Katsu... er, my Katsu about the fur. I like it!"

"Me too," Katsuki murmurs hotly. "Me fucking too."

Dragon Kirishima is once again bent over the drawer, pushing things around. "Can we use all of this?" He asks, pulling out an armful of toys and aids. "I wanna use all of it!"

Katsuki laughs, that hidden dimple on his cheek becoming noticeable as bumps shoulder with Kiri.

"I don't know about using all of it." He says honestly, before thinking and plucking out two of the bottles of lube in Kirishima's hands. One's flavoured, and he's definitely out here trying to get eaten.

That's all they really need.

Well. Unless....

As an afterthought, Katsuki plucks out the black ring pinched between his pocket pussy and Kirishima's beefy bicep.

Yeah. They can definitely use this.

"I can't jack off," Eijirou comments, trying to ignore Katsuki's fingers on his waistband and his harsh yank of Ei's jeans and underwear to his knees.

The jeans are stuck on him since Katsuki tied his ankles with them on, and his shirt's here to stay too, to provide a barrier against his skin and the ropes.

Eijirou tries not to whine when Katsuki cups his half hard cock to give it a stroke. Its enough to drive him up a wall. Slow, fingers teasing. Barely any friction.

"Katsuki."

"Eijirou." The blonde parrots, slipping the head of Ei's dick into his mouth.

Eijirou keens and tries to buck up into Katsuki's mouth. Katsuki lets him, but only briefly, before he shoves Eiji's ass down onto the seat of the chair and takes the entire length of his giant cock deep in his throat.

Eijirou's head snaps, and the back of his head collides hard with the wooden back of the chair. He groans, his eyes closing as Katsuki starts sucking like he's savoring his favorite lollipop. God---

There's a pause, Katsuki drawing off for a second, probably to take a breath--

And then sweet bliss again.

Katsuki brings his hand up to work what's not in his mouth, his fist sliding down to the base and--WAIT.

The cock ring snugs into place and Katsuki pushes to sit on his knees, the back of his hand swiping at the spit on his lips.

"Good boy."

Eijirou's hands curl in his bonds. Holy fuck. He's going to die here.

DragonKiri is leaning forward on the edge of the bed, his naked cock bobbing in the open air. His eyes are transfixed to Eijirou and Katsuki and he's purring.

Katsuki turns his head. "Didja like that E-Kirishima." Katsuki corrects, looking over at Eijirou. "Is that a fuckin purr, baby?"

Baby.

Fuck. Katsuki only broke that word out during scenes.

Dragonkiri frantically nods. "Yes! It's pretty to watch! My Katsu... he chokes." His eyes darken. "That's fun too. I like the way he spasms on my cock. But...he doesn't let me cum in his mouth..." he trails off suggestively.

Katsuki raises a brow, bristling at the challenge. "Why the fuck not? That's supposed to be me ain't it? I'll fucking swallow your cock right here."

"Okay!" Kirishima claps, spreading his thighs so Katsuki can move from in-between Eijirou's legs to directly in between his. "Right now please!"

Katsuki grumbles and moves to sit in the space Kirishima made for him.

And... okay... there are some differences between Ei and him.

Some very visible differences. Their cocks are probably the same size. At least in length.

But... everything else...

Fuck.

Katsuki eyes the monster between Kirishima's legs with caution. He knows it's a cock, and the damn thing won't bite, but FUCK. No wonder his other self doesn't swallow.

It's not that he probably can't but... fuck... is having a cock that fat even legal? It... it kind of looks like a werewolf cock, Katsuki determines. Not that he's ever seen a real werewolf cock, but he's not blind to horny art and for some reason the krbk shippers like to paint Red Riot as a werewolf.

And this... this looks like that.

It's bright red--redder in a different way than Eijirou's tan skin flushed red-- and the thick base is surrounded by tiny red scales coloring his groin and down to the tops of his legs instead of pubes and fine hairs. Actually, Katsuki catalogues sadly, this Kirishima is missing all of Ei's thick body hair-- instead he's decorated with rough scales. He's fucking adorable, Katuski admits to himself. (And only himself.)

But that cock... fuck.

The thickest part of it is the base where it swells. It tapers the further up it goes, until the soft pointed tip. The tip which is graciously leaking pearly precum. Katsuki narrows his eyes at it. Sure, it's thick, but he's got this.

He's spent forever training away his gag reflex by constantly deep throating Eijirou.

Speaking of, the chair behind him scrapes against the floor as Eijirou struggles to get a good angle to see.

"Katsuki," Eijirou says hoarsely. "Tell me what you're thinking."

"Thick," he says before he can catch himself. He reaches up to fist it, squishing the soft and firm flesh. "It gives more than yours." It's actually very pleasing. Like a stress ball.

"Why won't your Katsuki suck it?" Eijirou asks quickly, his words coming fast. He's excited, and it's so obvious.

""Ummm.... I dunno," Kirishima says innocently, palming the back of Katsuki's neck to drag him closer.

Katsuki allows himself to be pulled forward, his mouth opening with a soft suction sound as his tongue falls from the roof of his mouth.

Kirishima is eagerly urging him forward, mouth dropped open, hit breath fanning out.

"Just put it on your mouth," Kirishima whispers, as he wraps his hand around the tip to pull it into Bakugou's waiting mouth. "Wanna see how much you can take."

His wings snap closed when Katsuki groans around the tip. They both moan, Katsuki trying to bob his head, trying to take Kirishima more. especially because of how much the dragon is enjoying it, his shouts loud--

But there's just no fucking way.

Katsuki sighs, slipping all of it out of his mouth with defeated grumble. It's not an issue of length, he could take that easy. But he'll never get all the way down, especially not around the firm base because his teeth scrap the flesh too much.

"Not done!" Kirishima chitters, dragging Katsuki back down until his mouth is forced open with hot pulsating skin. "Not done, Katsu!"

Katsuki makes a muffled sound around Kirishima's cock, his eyes snapping open as his uvula is stabbed with the tip and his jaw stretches to the point of pain.

Fuck. He's gonna dislocate his fucking jaw like this.

He pushes at Kirishima's hips, trying to shove himself off, but Kirishima is chanting "please, please, PLEASE" while shaking his head and whining at Katsuki's effort to pull back.

There's a growl from behind them, and Katsuki's not able to move his head thanks to his aggressively horny dragon, but he side eyes Eijirou as much as he can to see his boyfriend is also shaking his head.

"Kat." He says, unblinkingly focused. He concerned and horny all rolled into one. "You okay?"

Fuck...

Katsuki runs his tongue over the cock in his mouth with his very limited room and tests everything out.

Is he okay? The stretch in his jaw definitely doesn't feel good but... he's not dying. And he can explode Kirishima at any time.

"'I'nuh." He garbles out to Ei, barely heard over Kirishima groaning when Katsuki's teeth scrape his cock not so gently.

Eijirou hums in agreement. "Fuck his throat." Is his sudden raspy command to the dragon.

Kirishima about knocks Katsuki out with his knee because he stands so fast. He grabs two fistfuls of blonde hair and jerks Katsuki up as he slams his hips down. Katsuki's senses are stuffed full, his throat threatening to close, the massive girth has him leaking tears and spit. He can feel much more than the tip slamming in his throat, and he's gulping uselessly, lips sliding against scales, as he tries to get air. Kirishima is humping forward, like a desperate animal, chuffs and whines breaking past his lips.

He can taste the salt of Kirishima's dragon cum, can feel the redhead's thighs twitch around his ears. He blinks through blurry eyes to see sharp teeth sunk into a plump lip tinted pink with blood.

"Fuck," Eijirou gasps, the chair protesting his shifting. "Fuck, Katsuki, I'm so fucking hard, god look at you... you gonna come in your underwear? Fucking looks like you might..."

Katsuki feels himself going limp at Eijirou's words, getting off on the praise.. his throat laxing...

Until--holy fucking CHRIST WHY IS KIRISHIMA'S DICK GETTING BIGGER?!

Katsuki's jaw pops.

Fuck!

/Out!/ He has to get Kirishima's cock out.

Pulling doesn't work, and neither does pinching. Katsuki has no desire to safeword out, he doesn't want a full stop, and there's no way he can get out a muffled "yellow" around what's in his mouth. Left with no other option, Katsuki has to use the crackle of his quirk against the Kirishima's thighs. The dragon shouts out, jerking back. With no finesse, and no warning, the sudden movement forces Katsuki's teeth down on his swelling shaft. The tips of his incisors scrape lines against his sensitive skin as the cock is drawn from his mouth.

It probably hurts, it should hurt, but suddenly Katsuki's face is being coated in warm cum.

"FUCK!"

"FUCK KATSU!"

"GODDAMN!"

Katsuki's moan is mixed with a rough chuckle as he's painted white with far more come that any human should rightly produce.

The dragon goes boneless after a few seconds, collapsing back onto the bed, small pleased sounds coming from him.

"M-my Katsu usually sticks his tongue out," Dragonkiri exhales. "But it's okay! You're such a good master."

"You little shit," Katsuki chastises, adding a fast (painless) smack to Kirishima's wet cock. "I do suck your cock!"

Kiridragon's grin is sly. "...yeah... but not all the way until I come!"

"You'd probably drown him," Eijirou pipes up. There's precum sliding down to mingle with the edges of his cock ring, the tip oozing. His face is flushed, and he has the same line of pink on his face from his own bit lip.

"Probably," Kirishima says softly, with a look of shame.

"He'd break my jaw first." Katsuki adds, opening his mouth and closing it to work the tender joint out.

Kirishima trills. He wouldn't mean to break Katsuki's jaw. It would be an accident! Because he didn't pop a knot every time, his Katsu was getting better and being able to figure out which times he was going to knot. The system wasn't yet perfect and they'd had a bunch of close calls

Katsu said if Kiri wasn't "such a fuckin' feral baby" it wouldn't be so hard.

He was trying!

With a chirp, Kirishima leans down to pick this Katsuki off the floor. He nuzzles into his neck before rolling them over so the blonde is underneath him on the bed.

Katsuki gasps, the sound raw, and his hands land hot on Kiri's shoulders.

He nips at Katsuki's mouth. "Your turn, Master."

Katsuki lips tilt upwards. "My turn for what...?" He teases, eyes sliding to Eijirou to gauge his reaction.

No one should be surprised at all when Dragon Kirishima rips into his scarf like an excited beagle, slicing long scraps of material until he's got a handful of makeshift ropes.

Katsuki's eyebrow raises. He hadn't expected to be tied down himself but he's not exactly complaining.

"Red means stop." Katsuki declares, voice serious, as Kirishima ties his wrists to the bedpost. "Yellow means slow the fuck down, but red is full stop. Anybody and everybody can use the color system and we ALL stop." His eyes slide away. "Right, Ei?"

"Of course, Katsuki."

If anyone's shouting red it's probably going to be the one getting cucked. To be fair, Eijirou looks very into what's transpiring and there's no doubt in his expression currently.

Katsuki rubs his thigh against Kiri's leg. "Does that sound okay, Kiridragon?"

Kiri trills his tongue, eyes rapt on the knot he's working on. "Okay."

As Kirishima works, his hands slide over any and all naked space on Katsuki's body. He can't seem to help himself, cock already hard again, as he presses bites and drags his tongue.

Eiji rocks against the chair, his patience (or is it impatience?) thinning. "He might be fucking you, but I'M in charge, got it?" The sound of Eijirou licking his lips is audible. "I'm going to tell you both what I want."

Kirishima growls in response, but sits back, ready for demands. 

"Touch his chest." Eijirou commands, the direction followed by the creak of the chair. "He fucking loves that."

Kirishima's nails sink into the bedspread in irritation. But his mouth finds Katsuki's nipple. His eyes narrow as he shoots a disgusted look over at himself, especially when Katsuki arches up under him.

"Lick his neck!" Is the next command through parted lips.

Katsuki tilts his head, expecting the touch, but Kirishima only growls louder.

"And tease his cock a little." Eijirou adds.

And that's it. Three instructions. That's all it takes for Kirishima to snap.

He lunges off the bed to the discarded pile of clothes. It doesn't take long at all for him to find what he's looking for, and when he stomps to Eijirou, the pads of his feet slapping against the floor, he's baring his teeth.

"Shut. Up." He snarls.

Right before he shoves Katsuki's dirty panties in Eijirou's mouth and wraps the pleasure tape around him to keep them there.

Eijirou glares holes into Kirishima's retreating back.

Once he settles back into the sheets, he drags Katsuki's leg over his shoulder like it belongs there. His fingers are probably too rough for Katsuki, the claws too much, so he's going to have to stretch him with his tongue. Something he's desperate to do.

His mate loves to be eaten out, shouts about how Kirishima's "lizard tongue" is "fucking made for his body".

Surely, this Katsu will think the same?

He doesn't prep Katsuki in anyway for the soft lap of his tongue over his hole. The blonde screams, hands popping, as Kirishima laps at the meal he's given. Katsuki tastes so good, and his skin is so warm. He's addicted to the way his mate tastes, in this world and the next.

A muffled sound is voiced by Eijirou and a quick glare to him reveals that his cock is rapidly leaking precum even with the tight cock ring.

Katsuki's eyes are alternating from being focused on the ceiling, and Eijirou, as his breath punches out of his lungs.

By the time Kirishima is able to work his tongue in, Katsuki is shivering on top the sheets, begging for a cock to fill him. And Kirishima doesn't have the restraint to say no.

He probably needs more prep. He probably shouldn't be begging so hard for more. Swallowing hard, hands shaking, Dragon Kirishima reaches down to line the tapered tip of his dick with Bakugou's twitching hole.

He keens instantly, softly whimpering as their flesh brushes together. He can do this. He can pleasure his master. He can!

Kirishima bucks his hips forward just enough to work Bakugou open enough that his hole swallows the red tip entirely.

Katsuki arches up, his hips rocking back and forth, so close to teasing, as he accepts what little bit he's given to get used to. He groans, loud and long, and the headboard bangs against the wall.

FUCK. IT FEELS GOOD.

Squishing their lips together, uncaring that the kiss is off centered, Kirishima makes a noise like he's been injured or worse, like he's in the throes of dying. His scales flare like nothing Eijirou has seen before, a rippling of skin like a wave in the ocean.

His hips push forward, retreat, and repeat again. "Feels good… so good!..." His hand wraps around Katsuki's cock loosely. "A-Ah, Katsu, do you feel good? Is it good for you? Is it good?..." His eyes shut as he groans, working deeper. "Wanna be good for you..." he babbles.

Eijirou works his jaw from his position at the edge of the bed, tongue having long since been pressed against the panties in his mouth. They're soaked with his spit now and the tape slides down his chin enough for him to rasp, "Colour, Kat!"

"Green! Green! Green!" Katsuki shouts loudly, his voice escalating with each word, with each tiny rock forward as accepts the intrusion of Kiri's cock. His palms explode uselessly, his back arched as he rolls his hips up to take Kirishima in deeper.

Holy fuck....

Is this normally how Eijirou and Katsuki look from far away tangled together in their sheets, Katsuki begging for him, body twisted up in pleasure...? Eijirou wants to watch this always. He never wants to masturbate to anything other than this image. Belatedly, he realizes they should have recorded this moment for future jacking off sessions-- because Eijirou is going to fantasize about this day for the rest of his life.

No matter. Eijirou will just videotape every single session after this to make up for the lack.

Bakugou's expression transforms into pure bewilderment as Kiri pushes centimeters of his dick in and out. His cock is twisty, full, and thicker on one side, so it's not exactly easy to take. From the look on Katsuki's face, Eijirou's pretty sure the blonde's nerves are firing at such a fast rate that he has no idea how he feels. But god, he sounds so pretty, loudly moaning, his chin slick with spit. Heat curls in Kirishima's stomach. It's dirty. Sick. Perverted. He wants to be participating so bad, and that's shame he feels wrapping around his limbs, his brain telling him "that's supposed to be me!"

But no. He's uselessly tied to a chair. Unable to do anything, unable to move. He's forced to watch Katsuki get fucked without lifting a finger himself. All he can do is watch and drool onto his boyfriend's dirty panties pulled slightly below his lips.

Katsuki's hazy eyes find his and a pleasure drugged smile colours his lips. "Please, Ei. Morrreee. I want more."

Fuck. He's not prepared for the raw fire to spark up his spine when Katsuki begs HIM to be fucked harder with someone else's cock. Katsuki's so fucking amazing asking permission like good boy.

Eijirou fights against the bonds, desperate to DO SOMETHING. Desperate to jerk Katsuki's hips up himself so he has to take more of bright red cock. Aching to shove his own dick deep in Katsuki's mouth until he gags. "Fucking greedy slut!" He groans at Katsuki as the male screams when Kiri mouths at his nipple, teeth scraping the bud.

Kirishima's sexual confidence (if he ever had any) doesn't last long. Like a goddamn virgin, he urgently tucks his face into Katsuki's shoulder, huffing wetly into his neck, shuddering hard. "Oh gods K-katsu! Tight! I'm gonna.. I'm gonna...!" His words trail off in a purr.

"Not inside!" Eijirou shouts, bucking his hips up in the chair hard enough to scrape the chair forward a foot. "Don't you dare!"

Drool drips from Kirishima's lips. He can't.. it's too tight... he's... its too good. He can't think....

This is why Master never lets him top! Because he's not going to last! He's going to ruin their fun because--

Oh GoDS--

He can't even stop his thrusting! Even when Bakugou's thighs bend at his hips and his knees try to do what his tied hands can't and stop Kirishima from getting deeper.

It's... he's gonna... oh no!

Whimpering, Kirishima knows he's about to come.

Dragon Kirishima is too far gone to notice Katsuki lock eyes with Eijirou or hear his, "C-colour?"

Katsuki will stop it right now. He'll pull Kirishima off and that'll be that.

Originally Eijirou had had no hard no's, but he had told Kirishima not to cum inside. But the way that Eijirou is leaning forward and drooling paints a different picture of his preferences now. Eijirou clenches his fists in the ropes. He opens his mouth--

With a loud "Pop!" Kirishima's frills punch out of his neck (a darker rose than they had been earlier). The spikes on his spine shoot up, starting at the ones on the base of his neck and descending in order to the small ones on his tail.

His eyes roll back and his hips snap forward so hard Katsuki's teeth chatter.

Before he's able to register what's happening, Katsuki gets filled with half of Kirishima's dick and a pint of cum in an instant.

Kirishima's mouth is open and moan after moan falls from his lips as he shoves deeper inside Katsuki's magma like heat. He hears his master squeak in discomfort- and he wants to stop, he tries to stop, tries to pull out --but his hips have a mind of their own, moving without command from his brain, driving forward without his consent, over and over until he's shaking with oversensitivity.

With desperate clutching hands, but trying to be mindful of his claws, he scrabbles at Bakugou’s hips, tries to hold on through the mind numbing pleasure.

Katsuki howls and Kiri is sure his face is SO beautiful right now, but he can't see it through the tears stinging his eyes.

Once the damn breaks, there's no fixing the damage. Kirishima's cock slams to the hilt inside Bakugou's spasming walls, and hOLy fucking GODS, Katsuki's hole is demanding his come, milking his entire length-- "KAtsu! Katsu! G-gonna again, I'm gonna again, fuck--"

Kirishima's hips stutter once before the damn breaks and he ROARS, loud enough to rattle the All Might and Crimson Riot posters on the wall.

Katsuki's head tips back and he lets out a high pitched cry his body arching like a bow string. His cock cums untouched in his stomach, spend shooting up to his lips and chin. His pink tongue shoots out to catch the next spurt on his tongue and Kirishima and Eijirou both watch in fascination as the blonde goes practically cross eyed at the sensory overload. His eyes are untrained, unseeing at the ceiling as he grinds back on the cock inside him, chasing the remnants of his pleasure. Reveling in Kirishima's wet sobs against throat.

"Sorry, sorry, sorry," Kirishima pants, but doesn't stop the little jerks of his hips. "Didn't mean to, Katsu!" He sniffs. "It's your fault. Your fault, your fault." He chants weakly as he swipes his tongue out to lick the cum off Bakugou's neck.

Despite his orgasm he looks nowhere near done.

Eijirou has a good view between the fucking couple's legs and he notes with a thrill that the base of Kirishima's dick has somehow expanded and is asking for entrance, kissing against Katsuki's soaked hole.

A knot. He had a knot.

Eijirou is absolutely certain he has no blood in any part of his body except for his cock. The whole length of it throbs and aches like he slammed it in a door. The cock ring Katsuki so graciously slid onto him is the only reason he hasn't exploded all over himself.

It's effectively driving him FUCKING INSANE.

He knows he should be mad that Kiridragon just came inside Bakugou, and he is. But also... he can't be.

Not when it sent a hot disgusting thrill through his limbs, not when he bit through his freaking lip at the image, not when his own ass had clenched so tight he was one hundred percent sure he had his first dry orgasm without being touched at all.

And especially not, when Eijirou noted hazily, Kirishima was still fucking a gallon of cum out of Katsuki's hole-- so hard and fast that it froths around his knot and slides down their thighs to soak the bedsheets.

Fuck, he was going to die here.

This was going to kill him.

Delirious, Eijirou almost comments that it looks like Dragon Kiri is trying to drown Katsuki by his ass-- if such a thing were  possible.

Kirishima is openly crying now, fat crocodile tears rolling down his cheeks as he reaches down and fingers the swollen knot on his cock.

He wants the damn thing inside, but it's gonna be a helluva tight fit. He whines, thrusting up into Katsuki, his fingers working faster... faster...massaging....

"Wanna breed you," he cries, forcing Katsuki's thigh to his chest.

Katsuki hasn't said no, hasn't copped out of anything by saying 'red', so Kirishima's not stopping. Not if it means he'll get the chance to actually knot Katsu.

Kirishima's Katsu, from his home, couldn't take him.

His cock was too big, their oils were nothing like this slippery stuff, and his knot could tear his mate apart even if they used spit and worked his warlord open for hours.

But this Katsu....

"Take it, take it, take it..." He grunts.

It's tight, god it's so tight he almost can't get it inside. He presses a finger to Katsuki's soaked hole, and the squish of sound and feel of his cum leaking out makes him trill.

He's a good mate! He's so good to his Katsu, filling him up so much!

...Even if he wasn't supposed to.

His instinct tells him it was the right thing. That Katsuki's empty and needs to be filled.

And Kirishima isn't a stupid dragon. He knows he needs to listen to his instinct! Even if it makes Eijirou mad. (As long as he doesn't piss him off to the point of kicking him out, it's fine) Plus instinct tells him he needs to knot.

Holding Katsuki's hole open with his fingers he thrusts forward-- hard.

Katsuki screams into his mouth. It sounds so good, so hot, so perfect. It's husky. Broken. He's not going to have a voice in the morning but it doesn't matter.

Kirishima growls loud, angry when he tries to kiss his mate's lips to soothe the cock punch to his guts, only to see that Katsuki is looking at Eijirou, hands curled in his restraints like he's reaching for his non-participating half.

"Eijirou!" Katsuki groans and that's Kirishima's name, he's always LOVED the way Katsu says his first time, but now he knows it's not aimed at him and jealously fills him with thorns.

That's his mate crying for Eijirou. Not him.

Shooting a glare over his shoulder, Kirishima snarls to catch Eijirou's attention. He will not be beat! Not in this battle for their mate's affections!

When he has Eijirou's focus, his identical red eyes clashing with his own, and ONLY when he has it, he whips his head toward Katsuki's throat and sinks his teeth directly into his skin.

Claimed.

"YELLOW!" Katsuki's shout directly follows the bite, his untouched cock spurting cum so hard it's audible.

The sound is IMMEADITELY followed by the loud thunder of his explosions, the pop pop pop filling the room with smoke.

Like a chain reaction, loud sound of grating rock and busted wood swirls together with the sounds of Katsuki's magicks.

But none of that matters.

Because his Katsu tastes good, like caramel and fire and he's cumming, his knot slamming in and about to catch--

A hardened hand yanks him away from Katsuki's neck by his hair.

Suddenly he's deprived of Katsu, of warm heat around his cock. He howls loud and painful when his knot locks outside of his mate's body and his cum shoots out to decorate Katsuki's clenching open hole.

Kirishima watches some of it splash inside, watches some of it get wasted on the bedclothes.

It's not fair! That's HIS!

A fist slams into his chest and knocks him off the bed before he can retaliate, before he can get mad and rip himself into pieces for RUINING HIS CLAIM.

Eijirou knocks Kirishima to the floor, his own animalistic snarl on his face as he reaches up and grabs the headboard posts holding Katsuki's hands.

They snap off the bed frame with ease thanks to his quirk and while Katsuki's head lolls to the side, and "Eiji... Ei..." falls from his lips, his body limp from exertion, Kirishima effortlessly maneuvers Katsuki until he's sideways on the bed.

His head and hands hang over the side. He's probably getting dizzy, the blood rushing down,  but Eijirou knows he's fine.

He hasn't safeworded out and that thought alone as him growling at Kirishima and pinning him with his stare as he crawls on top of Katsuki and slams his aching dick in his dripping hole with no resistance.

God, Katsuki's insides are so wet.

As Eijirou pistons his hips at a brutal pace, eyes lock on Kirishima. His upper lip curls and his frills flutter aggressively against his neck as the sound of that filthy wetness fills the room.

A quick glance down at Katsuki confirms that he is still good, very much okay, if not a little embarrassed. His cheeks are red and his hair is stuck to the sweat dripping down his temples and across his forehead.

"S-sound-- fuck! Sounds like you're f-fucking a-ah! a goddamn g-girl." He manages to say past swollen lips and a bitten tongue. "'m so full, Eiji." He breathes.

"Not yet." He snaps, pushing his hips in deeper until he swears he can feel Katsuki's orgasm start from the inside. "I have a lot of..." he nips at Katsuki's skin while he shakily inhales. "Lotta cum for you."

The leftover remains from Kiridragon's orgasm paint Ei's pubic hair and cause his balls to slap against the skin of Katsuki's ass. His thighs are soaked, his lower stomach is soaked...

Gods... they'll never get this out of their sheets.

Eijirou grunts as he feels his own end approaching. Kirishima seems barely in control of his body, his long claws embedded in the floor boards as he leans forward, looking like he's seconds away from pouncing on the fucking couple.

He wants to destroy himself. Wants to show him Katsuki is HIS.

And Eijirou knows. So he plays it up, exaggerates his every move.

Eijirou tangles his hand in Katsuki's hair, watches as his eyes roll back. He bites at his bottom lip, growls loudly about how he's "squeezing so good and fucking begging to be cummed in."

He spits in his slack mouth, bends Katsuki in half until he gasps "C-close!" against Eijirou's lips.

Eijirou knows this is the last hurrah, the last bit they'll get out of Katsuki. His limbs are shaking. He's crying even as he whispers "Please. Please, please" and tilts his hips up for more. "Fucking cumslut. You want my fucking load, Katsuki?"

Katsuki's frantic nod does them all in.

Kirishima leaps from the floor, his body language hesitant as he drops to his knees in front of Katsuki's mouth. He waits, with impeccable self control, until Eijirou nods.

Fine. He can fuck Katsuki's mouth. Eijirou moans out his thanks, far past words. He folds his body over Katsuki's head as he ruts into his mouth. The blonde's mouth is spit soaked and slack and it's immensely easy to thrust to the back of his throat.

It's not enough.

Not even with precum splashing at the edges of Katsuki's mouth.

He only gets this once.

He needs more.

Narrowing his eyes, Eijirou pulls his own face up. Red scales catch on the light as he drags himself down to shove his tongue in his mouth.

They're both frantic, teeth scraping together.

It's not enough.

Eijirou pulls back, dragon saliva all over his face. He wipes it absently with his hand before rubbing the liquids over Katsuki's gaping mouth. "Fucking dirty..."

It's not enough.

His dick is screaming--the cock ring about to burst around his dick. He wants it off, but taking it off means pulling out of Katsuki's drenched heat and he refuses.

He'll cum with it on.

Eventually.

Katsuki's hands (and wooden pieces from the bed) slap against Ei's shoulders as he trembles to pull himself up to Eijirou's ear. "God PLEASE. Ei."

Right. Katsuki's been going for almost two hours now. He needs this.

While Kirishima slowly strokes his cock in front of Katsuki's open mouth, Eijirou reaches down to work a finger in next to his dick. It slips in easy, from Katsuki's previous stretch and all the cum easing the glide, so he slips in two.

Katsuki winches when three of Eijirou's fingers slide in next to his length and Eiji slows his thrusts just a little for his blonde. He's not trying to break Katsuki. Just wreck him a little more.

When Katsuki's face finally shows no discomfort, Eijirou pulls Katsuki up as he falls backwards to his back.

Katsuki's unable to hold himself up in cowgirl position, poor baby, and falls forward until his cheek slams into Eijirou's shoulder and his ass is up.

Eijirou almost slips out-- almost. As it is, he digs his heels in and bucks up until he's seated deep in Katsuki's loose hole.

"Get in him." He commands, hand cupping the back of Katsuki's neck as he rubs their cheeks together. "Fast."

"YES! GODS YES!" Kirishima shouts, excitedly scrambling on the bed.

Eijirou slaps a hand down to cover Katsuki's hole before Dragon Kiri can make any move toward it. "GO SLOW." He says and Katsuki whines against his neck in agreement. "I come first. Do NOT come before me. You hear me? If you can't do it, you can't get in with me."

Kirishima trills softly. He ducks his head in submission. "I can do it. Promise." He whispers.

Eijirou moves his hand.

Katsuki whimpers and shakes. His body is stretched beyond what he thought he could take, but he isn't a fucking quitter.

He isn't quitting. Not when Eijirou's hands are hard on his hips as he moves his body for him because he can't command his limbs to move.

His mouth is full of Eijirou's fingers, they slide against his tongue and press into his teeth. He tries to suck them, he likes the pleased sound Eijirou makes, but he can't do it for as long as he wants... it takes so much effort. His jaw is starting to hurt...

But he won't give up, not even when it feels like he's being fucking fisted and his cock has been oozing cum for longer than he can track.

He's almost thankful that it's over so quickly. Almost.

When Eijirou's thrusts become faster and his breathing catches, suddenly Katsuki's too full of cock and cum. Eijirou gasps into his mouth and fucks him deep, almost too deep with two cocks inside, and unloads everything that's been building in him for an hour.

It feels unbelievable. The only thing Katsuki can think to do is turn his head to help Eijirou kiss him at a better angle.

Katsuki breathes a sigh of relief when Eijirou's hips retreat slow and his wet, spent cock slips out of his ass. He can't even feel the new cum because there's so much already pouring out of him.

God... it's good.

Katsuki barely hears Eiji's, "Knot him. You were a good boy." Before everything tips into oversensitivity.

Kirishima rips his arms behind him until he's forced to sit up, his hair tickling his shoulders he's being jerked backwards so hard onto the dragon's cock he howls.

And FUCK--

//That's what a knot feels like// Katsuki thinks hazily as the right top side of the bed collapses to the floor because of Kirishima's forceful fucking of his cum inside Katsuki.

Firm. Hot. Hard.

He feels like he's going to explode. He's so fucking full. He does explode, and it's good good good.

Even when he collapses into a puddle.

He can hear his heartbeat in his ears and he tries to swipe at his stomach but his hands are too heavy-- something's... his hands... there's something on his hands.

He just wants to feel his stomach... he feels warm. Like he drank several glasses of heated milk. He's sated and drifting off like the nights he falls asleep with Kirishima--Eijirou holding him.

"Easy, easy." Eijirou soothes. Something warm and wet touches his neck and he growls pissed off that there's more cum, before Eijirou chuckles and says, "its a washcloth, babe. Let me clean you."

Oh... they must be done... On the verge of passing out, and not really tracking his own movements, Katsuki tries to touch his stomach. He needs to touch it--

"He keeps trying to touch his stomach," he hears from above. Which is weird, Eijirou is at his side washing his neck-- oh wait no. There's two of them. That's right.

Something sharp slides between the ties on his wrists and then finally his hands are free. "There you go, Katsu." Kirishima helps him pull his hands down to the flat stomach-- no. Not flat anymore. His belly is extended just slightly, pumped full of cum.

"Yeah," he says with agreement and wonder. "You're full, Master.

Fucking christ. He really is.

So full...

 

..The next thing he knows he's in the bath. Eijirou is behind him in the tub, because he can't hold himself from drowning on his own. He's getting kisses and someone's washing his hair and there's sweet, "I love you. I love you, I love you."'s in his ear.

Someone helps him brush his teeth. They put his lotion on his skin and it almost makes Katsuki bare his teeth because his skin is tingling from too much sensation but then it stops and he's being snuggled from both sides.

And then there's two sets of identical snores and Katsuki thinks about how tired he is.....

Tired and so sated.

 

 

                                                                                                                                  ××××××

"FUCKING CHRIST." Katsuki screams, jolting Eijirou out from his slumber. He bolts awake, sitting up in bed with a rush, years of hero training the only reason he's coherent enough to scan the room for a threat.

"God Katsuki what is it?" He doesn't see anything--

"My ass fucking stings, Eijirou!"

Eiji blinks. Wait. So no ones trying to break in? Busting out into a fit of laughter, he pulls Katsuki to his chest. "I'm sorry, babe." He's kind of not. He presses a quick kiss to Katsuki's brow. "What time is it?"

"10am. We slept like the dead." He pauses for a second before whispering, "Kirishima's gone."

Eijirou frowns. Damn. He would have liked to say goodbye to himself, maybe even swapped stories about their Katsuki's. "Shit. I wanted to thank him." He says instead.

Katsuki groans as he shifts on the bed, before rolling his eyes. "I don't think a thank you is necessary. I think we're even."

Eijirou grins. Yeah, fucking Katsuki was its own reward--

"--He stole our nightstand."

"WHAT??!"

Katsuki gestures to the empty space where their sex drawers used to be. Used to be, because Kirishima made off with them on his retreat back to his world, somehow.

"Yeppp." Katsuki says, elongating the /p/. "And he picked up all the toys and lingerie. He took those too."

Eijirou scratches the back of his neck, kind of amused at himself, kind of sad because no they're going to have to replace all their stolen items. He sighs. "Dragons and their treasure, I swear."

Notes:

For Bantem who told me "Go back to getting Kirishima dicked, we don't need more stale bottom Bakugou in this fandom."

This is me getting 'unbent.' Enjoy.