20 Works in Sans/Underfell Papyrus/Underfell Sans (Undertale)
Listing Works
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Segregation by freshywritescrap (freshiewrites), SansyFresh
Fandoms: Undertale (Video Game)
18 Nov 2021
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Sans has finally figured out a miracle drug that will mean the world to those dying pointless deaths on the Fell side of the fence.
Unfortunately, not everyone shares in his ideals.
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What is and isn't healthy tends to be rather subjective.
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- Part 4 of ain't this more than lust
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After having been missing for a few days, Sans is finally reunited with his brother and friends. Teasing ensues.
Series
- Part 2 of Lost But Not Alone
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Kinktober 2020 - Day 18: Humiliation (SpicyKustardPuff with familial Dadster, SFW) by yastaghr
Fandoms: Undertale (Video Game)
18 Oct 2020
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Dadster returns to find his family in a... humiliating situation.
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- Part 18 of Yastaghr's Kinktober 2020
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Edge has a penchant for collecting cats, enough that some joke about him being the neighborhood "crazy cat lady." When he's out of hearing range, that is. Good thing he knows a few tricks for handling them all.
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Edge and Sans were having a nice date in the park when trouble showed up. Its not the kind of trouble they mind, just Red having a bad day.
Red needs taken care of somehow.
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- Part 3 of ain't this more than lust
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Sir Edge and his brother, Red, are not mere messengers, and yet here they are delivering a message to a demon lord! Too bad the demon lord's not home and they're stuck dealing with his lazy brother instead.
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- Part 2 of Devil's Threesome
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With the coming of April, Spring fever hits even cold blooded creatures like Slinky pretty hard. Good thing he has so many good mates to help him through it.
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- Part 4 of ain't this a lamia
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Inspired by Nilchance's ain't this the life series, taking place at least sometime after part 31. Makes references to various parts of the series, however.
Someone else gets shoved into the Poly's lives and its both exactly like, and completely different than, they could have expected.
Series
- Part 1 of ain't this more than lust
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The Lamia decides that his nightmares can kiss the slimiest part of his ass, and comes to terms with his morosexuality.
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- Part 2 of ain't this a lamia
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Having Red as an introduction to sacrum lacing was a bad idea - though he enjoyed it, Sans now has cold feet about the entire process. Edge and Red aim to help him with that, until Sans is put in the driver's seat... and Edge loses control.
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- Part 2 of Laced Into You
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An "Aint this the Life" AU (lets all thank Nilchance again for their beautiful fic).
Red and Edge find something in their livingroom. It immediately catches Edge's attention. As usual, anything Edge likes, Red needs to test drive.
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- Part 1 of ain't this a lamia
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Red and Edge politely take turns. Sans is okay with this.
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- Part 1 of Lost But Not Alone
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its Flufftober time again!!
This year its a lovely tale about how the Fell brothers fall for one little Sans, even if that Sans isn't really all that interested... at first ;)
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Sans, Red, and Edge make a nun Sanswich.
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Sans drops a hint that he's into Red's brother. Red and he are already something. Thing is, Red's pretty good at getting what he wants. And boy, does he want to help.
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Applying kegels to souls is generally not Sans' idea of a good time. Red convinces him otherwise.
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Sans is used to frolicking at the ocean's surface, it's where mermaids live after all: riding in ships' wakes, breaching the surface, diving down to the sandy bottom, sitting atop rocky outcroppings and luring in ships with their siren songs, playing with the dolphins, those sorts of things.
Too bad he gets injured and caught up in a current that drags him down to the dark depths of the ocean, where there's so little sunlight it's a murky twilight at its brightest. Thank goodness the Fell brothers found him instead of something more dangerous. Now the pair has to nurse him back to health before the heavy depths crush the delicate little surface fish.
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- Part 3 of MerMay
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His boys were perfect in their willing submission
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A Comic's Christmas by Canadian_BuckBeaver for Tereox_X
Fandoms: Undertale (Video Game), Undertail - Fandom, Underfell - Fandom
29 Jan 2018
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Tale Sans is on the Surface, one of the few survivors of a genocide route. He attempted to use the child's Determination against them, forever costing him his brother. However, sometimes all it takes is a gentle hand in the right direction to have someone believe in the power of love, life and joy.