Undertale Aus
173 stories
Yandere! Ink Sans X Reader by White-Bells
White-Bells
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"(Y/N)..." I whispered as I look at a photo of a gorgeous girl I adore. I always wanted her to notice me, I love her with all my heart. I can assure you that I will kill anyone who tries to take her away from me. I must make her mine or I will play her like she's a puppet (he's Ink! Sans so he can control the whole Alternative Universe a.k.a AU). If she choose to love another person besides me, then, I will play everyone like they're MY puppet. I smirked and walks to my room. ✎﹏﹏﹏﹏﹏﹏﹏﹏﹏﹏﹏﹏﹏﹏ 【☑ ANY KIND OF SANS YANDERE STORY IS UP FOR REQUEST, PM ME THE REQUEST ☑】 The time has come, an English-languaged story about Yandere Ink! Sans X Reader! KYAAAH~! I might show some request from people here, the first chapter will be about the story and more will be the story. Have fun reading! ^^ ©Undertale is Toby Fox's property ©Inktale is ???'s property ©Any arts here are not mine! Credits to the rightful owner!
Nightmare sans x reader {DISCONTINUED} by ShadowMixer
ShadowMixer
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You life sucks as far as you can tell, parents always fight, you get bullied, and you only have one friend. Then you get taken.... At first you freak out when you first see him but eventually get used to it. He starts to slowly open up more and more each day, the more you learn about him the more in love you fall. What happens next in your life is a roller coaster you'll have to stay on till the end for.
(Any AU) UnderTale X Reader Oneshots! (REQUESTS CLOSED FOR NOW) by 11VeryAngryBees
11VeryAngryBees
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You want some fuck/fluff? You get it. Not the fuck/fluff you're looking for? Request it! :D Rules of requesting: Only X Reader (so no ships, or OC's, sorry!). No fetishes (inflation, feet, ect) No Toriel, Asgore, Frisk, Chara, or Asriel for lemon (but I can do fluff for Frisk/Asriel/Chara. Also, I haven't played Deltarune yet, so this is only for UnderTale characters- for now). And that's it! If you're going to request, please tell me what character, universe, gender, any characteristics (for the reader, or the character), and if you want it fluff or lemon :3
Sun & Moon x reader oneshots (uhhhh yea...) by kawatatwinsforlife
kawatatwinsforlife
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listen I was gonna stick to reading them but there ain't enough especially when it comes to the smut department so like I may have a tone of other stories to get back too but this is more important srry to the others waiting for my other books 😔
AU Undertale one-shots by DJWinterWolf
DJWinterWolf
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This will mostly be Sans and Papyrus One-shots. Some witll have a part 1-3 or will just be medium sized story's. I will do AU's! I am a wrighter who likes fluffy or sometimes sad yet comfort stories!
Chara x Reader by anjistar
anjistar
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It's been a few months since monsters entered the human realm, but there's something else biting on the mind of your best friend Frisk - and she bears a lot of history. Whilst you and Chara grow closer together as two young adults on the surface, you learn that the hardest problems are the ones you made yourself. Why are some people luckier than others and what does it take to be human? Perhaps there's beauty in normality. Why do these questions feel so pointless to me? ~ (16/F) Chara x (16/M) Reader ~ Includes Sexual/Mature Scenes And Possible Unhappy Themes ~ Five Continuous Story Arcs ~ Grammar [British English] *1st August 2017
 [ON HIATUS]"He Said" Undertale / Au Various x Depressed! Reader by MelancholicMusic
MelancholicMusic
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*THESE AREN'T ONESHOTS! THIS IS A REVERSE HAREM* Ever since your mom died, life has been pretty hard. Well, harder. You've been depressed ever since age 11. You're now 19, going on 20. You're a very artsy person, and love all things art. Music, drawing, you name it! As long as it's art.
[Continued] Bitty! Sanses! X Motherly! Skeleton! Reader by MelancholicMusic
MelancholicMusic
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You and your roommate Rini have a lot of bitties. Taking care of them is gonna be hard, but the two of you can try. -This is like a Slice of Life story, so it'll be more focused on Drama and such, if you have any suggestions, plz give meh ideas!-
Start Over {An AU Fanfic} by IcyWritesStuff
IcyWritesStuff
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After several attempts, Sci finds a way to return Nightmare to his uncorrupted form, turning him good once more. But as soon as Nightmares old team finds out they plan to do everything in there power to turn him back. {Credit to artist for cover!}
Sweet little Error~  by Yumiko111316
Yumiko111316
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Error, was also Sans one's. He had a life before he woke up in the anti-void, and lost his memory about his past. His old self. The REAL him. His bones turned to Black. His one's golden strings turned to dark blue. He changed. Ink and Sci were making a potion. This potion was supposed to blackout Error, so they could kidnap him and get him stop destroying innocent au's... however....they made a BIG mistake. The potion turned Error to his past self. He had white boned and golden strings again. But he also lost his memory about ERROR. He only knew his name, where he came from and his past. His SAD past. This new Error is kind and shy. Will Ink and the others find out about his past?