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Undertale Kinktober 2025 hypnosis edition by Chris_ghosty77
Fandoms: Undertale (Video Game)
07 Oct 2025
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New kinktober! One chapter a day for the entire month!!! With a list I made myself, very excited to show everything I've written.
Just like the other ones every chapter contains some form of hypnosis/mind control/brainwashing. I'll do my best to tag but i can't tag absolutely everything so look at the warnings at each chapter or in the table of contents.Series
- Part 14 of Undertail hypnosis series
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Razz, a homeless teenager, gets grabbed one rainy, freezing night. Who are they? And what will they do to him?
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Making A Monster by absurdmagewrites
Fandoms: Undertale (Video Game), Underfell-fandom, Underswap-Fandom, Swapfell-Fandom, Fellswap-Fandom, Fellswap Gold-Fandom, Horrortale-fandom, Crafttale-Fandom, Seaswap-Fandom
05 Oct 2025
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Sometimes life throws you a curveball. For you, your curveball was going to bed looking like a human, and waking up looking like a monster.
A skeleton monster to be precise.
With the barrier breaking, a large surge of magic descended on the town you live in, and transformed you overnight. Unsure what to do with you, and the others changed, you're ushered into a facility until a monster with similar magic can take you to teach you how to wield the now uncontrollable magic you've been given. After waiting in this place for four years, you'd given up hope that anyone would ever want to take you.
What a surprise for you when you find out that someone does. A lot of someones.
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✨
He skidded to an unsteady halt as he finally got a close look at the two passed out Skeletons.“What the fuck?”
Blue didn’t swear often, but this? This definitely merited it.
✨Error and Ink are caught in a …little… accident and now everyone else is left to deal with the aftermath.
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The bad Sanses respected their leader.
The god of Negativity was a fair and strategic boss. He provided shelter and food, ensured security and treated their wounds with something close to care.
What will his subordinates do, when their mighty Boss falters? When he's the one in need of care and protection?Nightmare's 'health' dips after a close call with an arrow of positivity. Nightmare would do it all again if it meant ensuring the safety of his boys.
Angst and Fluff! I know this fandom is sort of dead, but I still nonetheless will write this! Feel free to suggest crazy things, or even separate fics!
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Monsters have come to the surface, and with that a lot of probelms have been caused, so maybe a marriage between two people from the two races might help?
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Kustard Week 2025 - a PIE RAT's party-life for me by Anjel_X
Fandoms: Undertale (Video Game)
30 Sep 2025
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Sans and Red are at the yearly all Skeleton Multiversal costume party and as usual, they put as little effort into their costumes as they can.
This is my fic for this year's Kustard Week using all the prompts in one shot.
This fic is set in the same 'world' as the ones i did for Kustard Week 2023, Fontcest May event 2024 and chapter 9 of Skelemonth 2024 and happens in the nebulous future (so there will be references to those fics)
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You are a shapeshifter with the rare ability to turn into an orange fox—a secret you’ve kept hidden, knowing humanity once hunted your kind. Living near Ebott, you slip into the night to run free, though the fear of discovery always lingers. Meanwhile, Sans and Papyrus have unknowingly welcomed a manipulative woman named Kora into their lives.
Behind her sweet facade, Kora is a gold digger using the brothers for wealth, status, and comfort, willing to lie, fake affection, or even blackmail them if needed.Eventually Kora stumbles across your apartments terrible condition, deciding to become “friends” with you and inviting you to stay in the mansion with her and her apparent mates. It started off fine, until she began to spread lies— rumors.. Even blaming you for mistakes, stealing. And god who knows what else.
Maybe you can help these skeletons see past whatever game she’s playing at? (Anti-Harem, That’ll switch into a actual harem..)
As well as machine chaos.
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Instead of another skeleton group coming out of the machine, it was you. A teenage girl. Now they have to figure out what went wrong and why this happened. In the meantime, they have their own puzzle and yours to solve in order to adjust to what seems like their new lives.
Or
A random teenage girl came in through the machine and now they have to deal with that and their own issues.
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You've moved across country for a fresh start. (Running, you were running away.) Having a shit apartment with a high rent and needing a job, you go to your first interview and low and behold you run into a few monsters.
What happens when you meet a star eyed skeleton and feel something you've never felt with anyone else? How will meeting him change your life?
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Eight Skeletons Compete for My Attention and None of Them Pay Rent (And Neither does the Ghost) by Itsyaboisunnyd
Fandoms: Undertale (Video Game)
20 Sep 2025
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Living with skeleton monsters was supposed to be temporary. A law, a requirement, a way to smooth over integration. But secrets linger in the walls, a machine that hums at night, skeletons who call themselves cousins with stories that never line up, and a shadow you think you can only see. You keep telling yourself you could not see him. You tell your roommates nothing at all.
But lies don't last forever. -
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Blue and Razz are stuck inside a new Au, notably similar to their own. They both find each other and try to survive it together...while being hunted down by the Sans of the Au. Who they deemed as Violet/Indigo (They're the same colors right?) They avoid the Sans for as long as they can, but they can't do it forever. And to add the cherry on top, the Queen will deal with them sooner or later. And who would've thought that their absences in their Aus would cause such issues!!!
[There's actually no fics of these three and it's driven me bonkers!! They deserve love too!!]
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I STAND FOR THE SFR/FS FANS, I AM HERE TO SERVE AND DELIVER!! -
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It has been five years since the monsters emerged from the underground and with it humans that have turned into monsters. There is currently three skeleton invertos being held. A mother and her two children
Another inverto fic but with my little twist on it.
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Maybe one day (NEW VER.) by me_paina for WrittenKinzy18, Clichely
Fandoms: Undertale (Video Game)
18 Sep 2025
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(Note: Reading ClicheAly's Murder to Dust and An Alternate Turn of Events and WrittenKinzy18's Winged AU series will 100% make this fic more enjoyable, but you don't have too. This could be read as a standalone.)
This is only going to get worse before it gets better, and well... Lets pray he won't find a way here because...
No one would survive his massacre.
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ATE Dust accidentally got transported to the winged universe.
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Just a tip to you all, this story will have violence and it may disturb some audiences.If you haven't read ClicheAly's writing, you won't know how gruesome some parts are and you won't know anything about this Dust or his AU, so I highly suggest that you read Murder to Dust and An Alternate Turn of Events before you read mine.
It is also good to know that this is taking place in the Winged Multiverse, so I suggest you read WrittenKinzy18 stories and series.
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4/?(ATE multiverse belongs to ClicheAly)
(Winged multiverse belongs to WrittenKinzy18)
(Drawing by me (Me Paina))
(Undertale by toby fox)Series
- Part 2 of CROSSOVER BETWEEN ATE AND WINGED AU
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On his twenty-third birthday, Prince Edge is given a gift: a courtier to begin his royal harem, hand-selected by his father.
Trouble is, Edge never really wanted a harem.
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- Part 2 of One More Love
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Running through that forest you felt relived
No more fighting no more rings
No more experiments
No more cages
And most importantly your bitty where with you
Wait…are those…more skeletons!? -
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Dream sans is in danger the bad Sanses are after his life and staff inorder for nightmare sans plan to work it's up to frisk to stop them and save dream sans and the world will they be able to do it? Or will the bad Sanses succeed
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You grew up in the Orphanage, waiting for the day you'd be chosen and taken to your forever home.
But that day never came.
Years passed, and you watched as child after child was picked out and whisked away, all while you quietly faded into the background. Eventually you stopped caring, and instead, you became like one of the staff members, helping out around the orphanage and watching over the little ones. You even got an apprenticeship at your local motorbike garage once you were out of school.
It really helped to build your independence
...Your 18th birthday was approaching after all, and everyone knew what that meant.
But that day never arrived.
Because at 16, the one thing you were sure would never happen… happened.
You were adopted.
And by 8 skeleton monsters of all people.
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This... is going to be interesting.
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You are on death's bed, there is no denying it at this point. Your good friend listened to you rave about an upcoming otome game you have been desperate to play since you've heard of it's creation. Only to sadden when your prognosis would keep you from seeing it in your lifetime. Well this good friend manages to get you a copy. So who would have thought that when you eventually passed on, you'd wake up as a healthy you? With goat ears, nubby horns, and a cute fluffy tail? Also a barrage of skeletons waiting on you hand and foot, calling you their queen... After playing many routes, there is one thing you are sure of... To make sure Black doesn't kill you like he does in the game... yet you don't seem to understand the stark contrast of yourself vs the queen as the skeletons do... and if you aren't careful? Black and the others will fall head over heels for you.
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Reader is a professor at a local college; Classic having been their teacher for grad school and now colleague. Another skelebro bursts in while they are discussing sciencey stuff with an "emergency" and reader ends up getting dragged into helping.
Mostly just a self indulgent fic with silly little scenarios that bounce around in my head.
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- Part 1 of Self Indulgence