sans fucker fics at their finest
This is a collection of my favourite spicy fanfictions featuring the boneman himself, Sans Undertale (and maybe some of his alternate selves, too... actually, absolutely some of his alternate selves.)
I just really don't want to have to comb through them all by date for a third time. If this helps you find a new favourite too, then I'm happy I could help!
A lot of these will be PWP, but there will definitely be at least a couple that have plot.
With that out of the way, behold my faves!
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The Terms of Agreement (Kinktober 2025) by merrinbrite for Sinsational_Sinnabon
Fandoms: Undertale (Video Game)
15 Oct 2025
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Summary
Prompt: Consensual Non-Consent
Nightmare!Sans x Reader
Series
- Part 2 of Merrinbrite's Kinktober 2025
Bookmarked by Phantom_of_the_Quill
15 Oct 2025
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Bookmarker's Notes
My favourite version of Nightmare 🫶
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Summary
Killer ropes you into watching a “scary movie” with him. It goes exactly the way you might expect.
Being one of the more…brutal sanses, Killer is no stranger to blood, gore, and death, so it makes perfect sense that he’d be naturally drawn to the genre. Hell, his name alone makes him the obvious choice for a murderous villain in a scary movie of his own; only Horror himself is a better candidate.
But he definitely does not enjoy said movies the same way your average film fanatic might.
Series
- Part 2 of Yikes, These Bad Guys Are REALLY Bad
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and still you don't stop by orphan_account for sweethoneybear
Fandoms: Undertale (Video Game)
12 Jun 2025
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Summary
You don't even know how you ended up on your knees this fast. One moment Sans was making lazy conversation, half-lidded sockets fixed on you like you were the punchline to a joke he hadn't finished telling—and the next, he had you between his legs, cupping your cheek with one hand and tilting your face up with a touch far too gentle for how dark his grin had gotten.
"heh. guess you do like keeping your mouth busy, huh?"
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"You look so good like this." by Oshann for Capt_Ladypants
Fandoms: Undertale (Video Game)
14 Nov 2016
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Summary
You get to see a new side of Sans. A more growling, dominating one...
In wich reader agrees to try rough sex and a bit of Dom/sub with your favorite edgy skelly.
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Summary
Words aren't his preferred conduit for affection.
Your body in the mirror might just be.
Series
- Part 1 of Soft-serve standalones
- Language:
- English
- Words:
- 852
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 15
- Kudos:
- 336
- Bookmarks:
- 25
- Hits:
- 4,985
Bookmarked by Phantom_of_the_Quill
10 Jun 2025
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Bookmarker's Notes
"yer a ruin, doll" is probably the hottest phrase I've ever read. I think about this fic way too much to be normal 11/10