Undertale Stories
111 stories
Never ending railroad tracks (Au Sanses x reader) by Fallen-Human-Alice
Fallen-Human-Alice
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Hi my name is (F/N) (L/N). I am currently 21 years old. Now if you asked me a couple years ago if I picture myself in Chicago with a skeleton, I would had said you were crazy. But here I am. On a train headed to Chicago with a skeleton. I was dumped in the state of Delaware, which thankfully, had a train station. Disclaimer: I do not own any AU or you. Though I make all the decisions in your life.
Sans x Reader | Promises by DementedThings
DementedThings
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You're twenty years old and everything in your life is dull. Your job is at a fast food restaurant that rarely anyone goes to, and so the paycheck you work hard to earn is horrible. Your house is cheap, small, and broken down. The only two people you could call your family passed away nine years ago. You don't have anyone to call your friend. Lastly, you suffer terrible nightmares every other night, although they're beginning to appear every single night. You want to understand what went wrong in your life that lead you down this road. "Promise?" "Promise." [ Currently In Progress. ] [ Editing Old Chapters. ]
Tiny dancer Dancetale Sans x reader (COMPLETED) by Kath1908
Kath1908
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4 years after monsters came about Ebbot (Y/N) was friends with the Dreemurr children. Being the master dancer that she is can gather her magic to do amazing things. Having been through a lot in the short 19 years of life. She finally meets a handsome monster who knows her big brother and who understands what she goes through. What will happen between these two?
Dark paint [ink x error] by trixielovesick
trixielovesick
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    Parts 25
Its been 4 years sice the truce between the creator and destroyer, and it has been years since they last saw each other. When error sees ink, he notices something inside him had snapped..... What caused this? Wee first book
The Locket - AU Sans X Reader (ON HOLD) by ZazMagica
ZazMagica
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"When the balance is offset, the Keeper will rise..." That was all (Y/N) could remember when she first woke up in Error's Anti-Void. At first, Error did his best to ignore her. But then, as time and time again Error traveled out of the Anti-Void, and time and time again as he returned, often having been dunked on, he began to talk to (Y/N). And she began to talk to him. A bond formed, and then, it happened. The Anti-Void was breached. Error, badly hurt, needed to heal. But (Y/N) knew Error would come back for her. He had promised, after all. As for what comes next... That's up to you. +=+=+=+=+ After reading over thirty sansxreader books, I've decided to write one of my own. With a tiny twist--every choice the readers make (it will be put to a vote in the comments) will affect the story, changing the path it takes. Like a Choose Your Own Adventure book. Hope you enjoy! ~Zaz
A vampire can't fall in love with a werewolf by crossmare_members
crossmare_members
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Vampires: Scars, nightmare, horror, dust, killer, error, and others that I can't think of so I'll just make then normal people but nightmares maids Werewolves Shattered, Eclipse, Scarlet, Cross, ink, blue, and random people that are maids Mortals Dream, reaper, geno, outer, goth, raven, and random people that aren't maids Rules for them 1. Werewolves and vampires cant love 2. Vampires and werewolves can hide as mortals 3. Wolves and vampires can only hunt at night 4. Vampires can break in homes or can be let in 5. a mortal can't love a vampire or a werewolf Nightmare and dream used to live a peaceful life together until a vampire broke in and and got to nightmare while dream was take care of the shop. When she got back the house is destroyed and her brother gone. Read to know what will happen next The cover drawing belongs to my discord friend
Another Chance [Slow Updates ಥ_ಥ] by That_RandomBystander
That_RandomBystander
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    Parts 10
Dream makes a desperate attempt to finally end it all. He finally wants to end it for good. The guilt was too much for him. However, death rejects him and he gets subtly house arrested by Nightmare. Can you die from too much affection..? Asking for a friend. *Adopted from RoseyRebel*
Underfell Papyrus x reader- All hail the king (Completed)  by Kath1908
Kath1908
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A young human runs out of the ruins desperate to get to safety. She runs into the Skeleton brothers Sans and Papyrus. Before she can know what's happening her world is completely thrown upside down. Sans is horrible but Papyrus.... he's not as bad as he makes himself out to be. What will happen to the young girl? Will she be saved or killed? And will she finally figure out the secret her mother was hinting at before she died?
Punmaster's crush (sans x reader) by dupranae
dupranae
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    Parts 36
Monsters have just taken to the surface. They settle in well, and you decide to lean a bit more. You find yourself at Mt. Ebbot, and fall through the now open 'barrier'.
Broken [Sans Aus x Reader] by itslazyline
itslazyline
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[ Sans AUs x Reader ] This wasn't what you expected - this isn't what you wanted. You wanted to rest, to finally, finally breathe, relax. But apparently life had other plans for your sleep deprived self. It wanted to trap you, it wanted to make you see - to make you realize, you're life isn't what it seems to be. You didn't want to take part in this chase - in this game. This isn't what you wanted. But this is what you needed. And some skeletons are here to join you for the wacky ride. I do not own Undertale, Toby fox does. I do not own any AU's in this story unless stated otherwise. I only own the plot of story.