Undertale
25 stories
Mafiafell sans x Reader  by Portral4u
Portral4u
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1. The art doesn't belongs to me 2. This is my first story 3. This Fanfiction's start was inspired by the comic-artist ' STARINGBACK' And this is my first time writing this soo it's sometimes cringe and dumb... I'm sorry if I make any grammatical mistakes! (Contains: blood, construction Plans and the fuel for the dirty sinners under us.) There is also free bleach! And now... Please enjoy!
-A Chance- (G!Sans X Reader) by UniiReads
UniiReads
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(DISCONTINUED) "...Id rather die.." The knife was cutting in already. "Dont you..." The shaking skeleton reached out. "...another chance.." He smiled gently. "..free them.." One chance only,or.. "...go back.." You were gone. You came back. You got one chance. And while trying to fulfill your task,you fall in love.
Underfell Sans X Frisk by Hazefrost
Hazefrost
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When Frisk falls into the Underground, she is horrified to discover the world of monsters is every bit as evil and broken as she had been told her entire life. But when she meets Sans, she wonders if there is love inside some of the monsters after all...
(Underfell sans x reader (female)) UNDERCOVER by moon1767
moon1767
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You're a human that has fallen into Mt. Ebott on the year where all humans dress as monsters...Halloween. So how will the monsters know if you're a human or not?
Why Him? | Underfell Sans x Reader by ChLuKa
ChLuKa
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*WRITTEN IN 2016* "Can someone please just tell me.... Why him.....?" Confidence. That emotion has been coming to you a lot ever since you had met him... But Why him...?
My dream came true [ Underfell Sans X Reader ] || COMPLETED by vittyannele
vittyannele
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Best ranks: #8 in fanfiction; #1 in undertale; #3 in sans; It was all a dream.....or so you thought.. Edgy: bish how dare u say that was a dreem, it was true af, fite me on dis! *lowvoice* and what im batta do is even more true. *inserts lenny face*
Murder in the Alley [ Dusttale!Sans x Reader ] by morrow-
morrow-
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He killed them all. Dust, down the waters of the the forest it runs, through the veins of the skeletons and the demons that prowl the night. It's the silent enemy, the adversary that slowly chokes and brings down entire armies to their knees. None can oppose it for none have the will or the strength. And it is the dust that emerges from the mouth of a mountain that overlooks a city, the dust that creeps and crawls through the forest and down the alleyways. It is the dust that wraps its bony hands around the throats of the damned ignorant enough to walk the streets, squeezing until the last heartbeat thrums. You are a detective in this city, a quaint area with little crime and a police force hopped up on Dunkin Donuts. But when a string of murders plagues the town, you are thrown on the case following cold leads and an ominous trail of dust. But one night, when you catch wind of a scream and follow it through the dark, you find a skeleton and the rest is history.
Dangerous Love (Yandere!Horror!Sans X Reader) by ProphecyDragon
ProphecyDragon
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so I don't see to many horror sans things... or yandere sans that aren't blue. So lets get the basics! Your Y/N. Your an adventurous soul (let's just say that is a soul type and it's goldenish red, so rose gold) you fall down a hole and find a freaky flower. Later you find that a scary skeleton that is a little possessive over you, soon you just take it as protection.. something went wrong, and now you may only has a GhOsT of a chance to survive (please tell me if I spell things wrong)
The Way of the Lost - (Underfell Sans x Reader) || Discontinued by XxQueenXeno76xX
XxQueenXeno76xX
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Discontinued - DM me if you would like to write a finish for the story. (This is my first story, hope you like it and bear with me!) Since it was Monday today, it wasn't very busy. Just a couple of people here and there. A slow day. For some reason, you have a TV mounted on the wall in the store that showed the Local News Station. "Breaking news! The legends are true, the monsters from Mount Ebott are real!" ***** Being 5'4, he towered over you. But what freaked you out was that he was staring at you with red pin-pricks used for eyes in pitch black sockets the entire time while shortly talking to his much taller brother. He extended a bony hand to you, which you hesitantly excepted. "Nice to-," You stopped midsentence, retracting your hand from Sans' hand with a yelp. "ha! the ol' buzzer in the hand trick. it always rattles people's bones. heheh, anyways, how are ya?" He said with a deep, Boston accent, chuckling. You are filled with Awkwardness and Anxiety. The beginning is horrible, but it gets better in the end!! I think... __((Art on cover not mine!! The title, name, and background are!!))__ Started: 02/10/2019 Finished: ??/??/???? ON HOLD ‼️
Write A Note (Sans x Female!Reader) by OreoDaSkeleton
OreoDaSkeleton
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It's only been a few years since monsters have been released from their underground prison. In some towns, monsters are welcomed with open arms. Others? Not so much. Y/N is a 22 year old girl that lives a pretty simple life. Sleep, eat, work, relax at her daily cafe, go home, sleep. Then the routine starts again. However, her routine is thrown off when she keeps running into a skeleton, supposedly named Sans. She would like to get to know him more herself, but there's one problem.. He doesn't talk. Of course, Undertale belongs to Toby Fox, not me lol