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Kinktober Day 1

Summary:

When Scar finds Grian and BigB making out behind the Velvet Keep it actually kinda turns him on, he didn't really want a soulmate but it also hurts a little, his cock strains in his pants so he decides on watching this unfold.

OR

Scar gets off to Grian and BigB having sex behind his back.

Notes:

this is my first smut fic since 2023 I'm SO sorry if it's bad :'3 it's also kinda short the rest of my fics will hopefully be longer I just wasn't quite sure what to do for this prompt.

Chapter Text

As Scar rounds the corner to get some food from their farm he spots his favorite avian, Grian, but before he walks up to him or says anything to call out to him someone is kissing his soulmate.

Scar stops dead in his tracks, walking back to hide behind the walls of their home, peeking out to watch a little bit he notices the blue sweater with a cookie design sewn onto where his heart would be.

Scar's heart drops as he realizes who is kissing Grian.

BigB.

He never had any problems with BigB, they had no conflicts before now, did Grian just hate being his soulmate that much?

Scar pulls out his phone from his pocket to record, planning how to confront Grian later.

As their kiss deepens BigB starts pulling up Grian’s sweater, revealing soft skin that used to belong to Scar, Grian rests his arms on BigB’s shoulders while he slowly takes off the red sweater.

BigB trailed open mouthed kisses down Grian's jaw and neck, causing small moans to release themselves from the avian's mouth, Scar feels something tighten in his pants.

Scar snaps his head away from the scene as he notices the bulge building in his pants, immediately turning off the recording, he looks around anxiously to check if anyone could be watching before slowly unzipping his shorts and pulling his cock from his boxers.

When Scar looks back they're both on the floor, Grian straddling BigB while pulling off BigB's sweater as well. Grian’s jeans are already discarded in a pile with both of their sweaters now and BigB starts kissing at Grian's nipples.

Scar spits on his hand to use as lube and slowly glides his hand up and down his cock, remembering the times it was Grian's hand instead or even his mouth, Scar wonders if Grian would ever do that again after finding someone he clearly sees as better.

Scar speeds up his hand a little in frustration.

He watches as Grian pulls off BigB's pants and boxers at the same time impatiently, BigB lifting his hips to assist, causing Grian's clothed cock to rub against BigB's exposed one.

Scar’s hand stutters as tears begin to fill his eyes at watching the love of his life fuck another man, he wipes his eyes with his free hand and when he looks back up they're kissing again. Grian gives more passion to the kiss than he has ever given Scar since the desert, Scar twists his wrist and strokes his dick in frustration.

BigB rests his hands on Grian’s waist and thrusts up, rubbing their dicks together, Grian is already frustrated with his boxers being in the way and pulls them off as quickly as he can.
Scar speeds up his hand to stop teasing himself, fully erect now and dripping pre onto his hand.

Grian wastes no time in getting BigB to stretch him out, BigB patiently grabs out a bottle of lube from his discarded pants, generously coating 3 fingers in the substance and shoving one into Grian slowly.

Grian whines at the slow pace and BigB shushes him, suddenly they're kissing again and Scar groans in annoyance, stroking his cock faster and faster and gripping himself tightly.
Scar is letting out small pants almost in sync with Grian's quiet moans, BigB adds another finger to stretch the avian out and after a moment Grian decides that's enough and is spearing himself on BigB's cock.

Scar watches with anger and jealousy in his gaze, BigB isn't even bigger than he is! BigB's dick is a little thicker but it's much shorter, Scar tugs at his hair with his free hand and leans himself against the wall to look away from his cheating soulmate.

Scar can hear Grian's moans and BigB's pants because of the silence, Scar wishes he couldn't, arousal turns into anger and now he just wants to get off and go to bed. He wishes none of this was real, he wishes his heart didn't beat in sync with a man who's heart didn't belong to him, Scar should've known all the way back in the desert when Grian said he'd never have him again after he lost his first life; that nothing would ever be the same.

Scar's heart clenches and his fist tightens around his cock and strokes faster, he lets out a small angry sob as his climax begins to build, he just wants it to be over.

He hears Grian's beautiful voice when he almost screams “B- I'm close!”, he hears when BigB responds with a grunt and a thrust causing a louder moan to spill from Grian's throat, but suddenly Scar realizes he doesn't care anymore…

Scar's climax approaches and he no longer wishes it was Grian's hand that was stroking him, he no longer yearns for Grian's passionate love, he cums with a small moan.

Scar's cum paints the wall of their Velvet Keep, numb tears fall from his eyes onto the floor, Scar collapses onto the floor with a small sob. He tries to be quiet as he sobs into his hands, curling into himself.

It takes a few minutes until he's calmed down, once he's done he shoves himself back into his boxers and zips up his shorts, grabbing a napkin to wipe the cum off the wall.

When Scar goes to throw away the napkin in the bathroom he notices his reflection, his hair is mussed and his eyes are red and puffy. Scar splashes some water onto his face and brushes out his hair, putting the long curls into a low ponytail behind himself, he'll braid it later but not before he talks to Grian.

But before he talks to Grian… he's gonna need some cookies.