Undertale
35 stories
Unexpected Love | Sans x Reader by dacatnxtdoor
dacatnxtdoor
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You climbed the famous Mt. Ebott to prove to a group of your friends that humans don't disappear when they go up the mountain. While walking around the peak, you trip over a root in the ground and fall forward, expecting to hit the ground. Instead, you were met with open air. As you fell down the large hole, you let out a shrill scream before hitting the ground and blacking out. When you wake up, you find yourself in the Underground where monsters had been banished to by the humans. You meet several monsters down in the Underground, some becoming friends and some becoming enemies. One particular monster though, has been making your heart flutter and your tongue get tied. Sans the skeleton. A new threat appears when a human that had been thought to be dead comes back and threatens you and the entire Underground. Will you be able to stop them or will you be used as a puppet and watch your friends die? Maybe the only thing that can defeat LOVE is love... Author's Note: this was my very first story so sorry if there's bad grammar or confusing scenes, enjoy my awful writing! ((COVER ART IS NOT MINE))
"Knock Knock" | A HorrorTale Short Story by dacatnxtdoor
dacatnxtdoor
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Falling into the Underground where monsters have been banished to for hundreds of years, Y/N finds that the monsters have gone insane from lack of determination; something that monsters need to survive and give them hope. Unfortunately, it seems that Y/N has enough determination to sustain every monster in the Underground for a few years, but not enough to be able to RESET. Armed with only a stick and a cyclops flower, Y/N makes their way through the Underground in hopes of escaping the awful place alive. But what happens when they run across a skeleton that has other plans? ((COVER ART IS NOT MINE))
G!Sans X reader by LongbeforeGirls
LongbeforeGirls
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Now, you're about to read a story where YOU are the main character, if you're a fan of echotale and G!sans then this is the right story :3 Its my first story so please do not expect the best, but ill try :) Otherwise i'll be posting stories with other characters when this is done, hope you'll enjoy! :') Love ya!
Stuck in Between (Reaper!Sans X Reader)  by BanthaBug
BanthaBug
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When your heart stops, you're supposed to stop there. But when your heart stops in the Underground, your soul resets. But what if the reset doesn't work. You're stuck in a stalemate between life and death after your attempted reset glitches. Memories fuzzy and distant, lonely and cold, what does one do to survive their own personal purgatory? Average word count: 1800 - 2200 REAPERTALE FANFIC
Unexpected Love: Return To The Surface | Sans x Reader by dacatnxtdoor
dacatnxtdoor
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This is the second story to "Unexpected Love" so if you haven't read the first book you should probably read that first so you aren't confused. But anyways, enjoy! You wake up on the cold floor in the old lab that Alphys had found. You felt strange and the only life form that you could find in the Underground was Chara, who had somehow gotten out of your consciousness and now looked like a normal human. You find out that six months had passed and a child named Frisk had freed everyone and the barrier was broken. Now, with Chara somehow befriended, you leave the Underground in search for your monster friends. And most importantly... Sans. Author's Note: enjoy my awful writing! ((COVER ART IS NOT MINE))
Hey, Doll | Gaster!Sans x Reader by dacatnxtdoor
dacatnxtdoor
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Alone in a condemned world where monsters and humans fight for power constantly, Y/N survives off of the wood's riches and the small scraps of shelter she can find in ghost towns. Allies and friends have come and gone during the war, either killed or have parted ways. It's not all that bad. She could be dead, after all. One afternoon when shipments from the Human Capital come on a train, she meets a mysterious stranger who saves her life. He's a monster, no doubt, a skeleton to be exact. Y/N is intrigued by the monster and decides to follow him into the next town over where he disappears into an abandoned warehouse. Y/N follows him in only to be pinned to the wall for questioning. After answering all his questions, introductions are made and Y/N learns that the skeleton's name is G. Y/N likes G despite his hateful nature and somehow convinces him to let her come along on a quest he's taking to save his brother from the Monster Capital where they took him for war. After surviving assaults, the government, and Mother Nature herself, Y/N and G start to form a special bond that neither of them wants to break. But when everything goes wrong and neither of them is strong enough to prevent it, Y/N finds that the capitals that she had always hated are far more sinister than she could've ever imagined. ((COVER ART IS NOT MINE))
Listen To The Music | Dancetale!Sans x Reader by dacatnxtdoor
dacatnxtdoor
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Dancing has always been a part of you. It was a way to express how you were feeling without having to tell anyone. It was also a way to forget and let go of the awful situations you seemed to find yourself in. Which was unfortunately a lot. After running away from the death of your parents, you find yourself entering a strange city full of dancers, monsters and humans alike. You meet a skeleton while dancing in the middle of the forest late at night and over time start to develop strange feelings for him. Feelings that can make people do crazy things. While living in the city, you struggle with mean girlfriends, crazy adventures, confusing love, rivalries, a secret identity, competitions, and of course, dancing. You also struggle with two lives, the life of Y/N and the life of Myst. It's hard enough living one life, but when the other has fame and reputation, it's even harder to let go. But what happens when the person you love most finds out who you really are? ((COVER ART IS NOT MINE))
Most beautiful Girl in the World Sans X Reader by xbutterfly_walkerXx
xbutterfly_walkerXx
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Everyone is finally above ground, Sans is on his own journey into the world and He suddenly meets the girl of his dreams. Will his love be accepted? or will humans and monsters never be able to be together
UnderFell Sans X Reader by UnderKillSans99
UnderKillSans99
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MEH just another function ha ha a so hope you guys enjoy! (^v^)(^v^)(^v^)
I Fell for a human -_Underfell!Sans X Reader_- (lemon) by Shadamyfan38
Shadamyfan38
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(SLOW UPDATES AND UNDER EDIT) You are a young adult, around the age of 19. You don't really have a gender but can be called he/she or they You were living with an awesome family when your father turned insane and killed your mom, brother, and two sisters while they were sleeping. You on the other hand were wide awake when it happened so you got away but your father followed you. He followed you all the way to the famous Mount Ebott where anybody who went there never came back. You thought you had lost him when he made you fall into the underworld Called Underfell Will you survive the torture of a certain short skeleton? Or will you be killed by other monsters in your journey? Sans does treat you like a slave when he finds you, The Genocide Route is open for taking. Kill or be killed is what this world will make you to be (/Disclaimer\) I do not own Undertale or the AU Underfell or the cover art all of that belongs to it's rightful owners. And I do not own you Please no hate on this book like it says it is under edit but new chapters still come out.