UnderTale!
73 stories
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))
Snowglobes  ∆Gaster!Sans x Reader∆ by BoltsAndBones
BoltsAndBones
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Highest Rank: #290 in Fanfiction ××× "Its a mad, mad, world out there, girlie. And your kind just makes it madder." Everyone has a lock. Some people are lucky enough to find someone who holds the key. Opal's lock has been rusted and unused for years. But when a bipolar skeleton wipes away the dust and doesn't mind the rust on her edges, she can tell she's in for one hell of a ride. ××× "That star looks like you." He said randomly, guiding your hand to see the star he was looking at. "How the hell is a star supposed to look like me?" You said, leaning your head on his shoulder. He ignored your sarcastic response and mumbled quietly to himself, "It's the brightest one of all." ×××
Vendetta Heist (Mafia Yandere Sans X Reader) by 2PAshleyAkumakitty
2PAshleyAkumakitty
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(Collaboration with Teabottle) When a celebration for a new job goes terribly wrong. Gunshots fire and the night ends with you literally frozen with fear. One possive skeleton won't let you leave and will go to any lengths to make sure you stay. Do you truly love this twisted mafia boss?
Angel (Mafiatale Sans x Reader)  by ChildishWriting
ChildishWriting
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(Y/N) is a local jazz singer at Later's Nightclub. While singing she meets some monsters, and it all turns crazy.
Our Last Hope (G! SansXReader) by Fandomistsam
Fandomistsam
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Ledgend says the day monsters are freed War will break out. Another war between Monsters and Humans There is a special soul that could help either Monsters or Humans But what if they want to save everybody? A unique journey brings unique characters into this love-journey story. Can a Human love a monster? If so what will it create? Hatred to death Or Hatered to victory? (Cover made by me)
You're PURRfect For Me{Sans X Neko! Reader Book One in the Save File series} by Fandomistsam
Fandomistsam
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Its been a year since Frisk and their gang freed the underground. Humans got used to it but youve never met one. You've actually never gone outside your house. Your..your not exactaly a human nor a monster. With cat ears and cat tail people call you a monster, others call you a 'it'. Your friend mainly takes you stuff you need because you don't want to go out. Well you two get into a heated argument and she doesn't bring you your supplies. Your forced to go out and you meet an...interesting skeleton and you two become friends. What now?
A dream come true? (Nightmare!sans x Reader) by Determined_Reader
Determined_Reader
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Your life is miserable. Lets just put it at that. Your parents died at the age of 3, your foster parents abuse you, you are ridiculed at school, and to top it off no matter what you cant get these damn nightmares to go away. So..... You end up at the large apple tree on the hill, just before 'they' get home too. You sit down with the rope in your hand... And make a wish.... You get up to put the rope on the tree, and in turn, you on the rope. But... 'He' stops you.. It seems your wish has been granted. By the wrong guy?? ({TRIGGER WARNING BTW!!})
Sans X Reader Oneshots by imperfectionist_much
imperfectionist_much
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Welp. A book about Sans the Skeleton from Undertale. Not just from Undertale though.... DIFFERENT AU'S!!!
Chat Logs | Sans x Reader by TheShippingFairies
TheShippingFairies
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Sans and Alex happen to meet trough a chatbox. What will be the outcome when two completely different people become more than friends? This is an actual slow burn holy shit