Undertale and Sans AUS
72 stories
Undertale AU Sibling Scenarios by UndertaleKyannaKitty
UndertaleKyannaKitty
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This will be similar to Undertale AU Oneshots only: They're your siblings! Yep, cute, edgy, or anything else! Feel free to request!(Requests are closed at the moment) No lemons, cause I don't do dat crap.
Anomalous - ErrorXReader by KittiMcKathrine
KittiMcKathrine
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You woke up one day with no memories, save for your name and age. You were taken in by the friendly monsters (+Frisk) who found you. You were happy, but always felt that something was missing. (Probably because you were an f'n amnesic) You would see him watching the stars, the same way you always did when you felt particularly lost. You were drawn to him... But why?
Dream Befriends Killer Sans (Rewrite) by DaisyMellonwilow
DaisyMellonwilow
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    Parts 2
After Killer and Dream had become slight friends after a fight. Dream tries to build a relationship with Killer trying to get away from his brother Nightmare. The positive Guardian will try to make Killer happy while also trying to make Killer regain his emotions, he doesn't really know how this will turn out between him and Killer but he will at least try. (This is a rewrite of Dream Befriends Killer sans)
Dream Potter? Wait, WHAT! by MistraltheSkelegirl
MistraltheSkelegirl
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Dream and Nightmare weren't actually related, though no one else knew that but them. So what happens when Dream's original world brings her back? Will they be ready to deal with her and all the crazy that decided to follow? Fem!Dream, Fem!Harry, BigBrother!Nightmare, and Multiships, including Cream and Insomnia. Hope you like, I couldn't find a story like this one anywhere. Cross-posted on FF.net
A Ruined Heart (Temporary Hiatus) by Shadowolfie2008
Shadowolfie2008
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3 years... There's been a truce for 3 years. Dream enjoys the fact that his friends a happy. But Dream is Depressed because no one likes him for him, people just like his aura! It's also because of the apple incident, and the fact that the Villagers and Tree of feelings also abused him! What will happen when Nightmare finds out about Dreams Depression? Read more to find out about this crazy adventure! -------------------------------------------------- Cover was made by me! (WARNING: Cutting, Depression, Suicidal thoughts, Suicide attempts, ect! If you are sensitive about these topics... LEAVE, I don't want anyone to get hurt!)
Undertale AU Sibling Oneshots by CrowBorn666
CrowBorn666
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Yup! They're back! A thing I started back in my older account UndertaleKyannaKitty. They're your siblings now! Cute, edgy, as much angst as you want, sad-whatever! Requests are closed as I'm no longer writing for this book. Some milestones: #1 in Sans #1 in Kris
A What Now? A Nightmare X Reader Story by Kitti_alt
Kitti_alt
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HEY there will be cussing in this - you have been warned. This is my first ever Undertale-related thing, and no, there is nothing lewd here. Yes, this is a xreader story, don't sue me. The protagonist (you) isn't the happiest person in the world. You're an outcast, a loner. You lost everything before you were adopted by US!Toriel and made friends with the skelebros and Chara. But even with your new family, life wasn't perfect. One day, your school bullies take it too far... I am doing my best to keep it entirely gender neutral, the pronouns I'm using are they/them, and if I slip up please let me know. You also probably won't see descriptions of yourself very often, and when there are, it will be like, soaked, beaten, bruised, flushed, ect.
Sans An x Reader Oneshots And Other Stories (REQUESTS ARE CLOSED) by Depressive_s1mp
Depressive_s1mp
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♥Heh don't expect much, I'm just a young writer who is working on their writing skills.♥ So Yeah, this is just your average Sans Au x Reader ♥not my art unless said other wise♥
love does exist...?(killer sans x reader) by Thisuserisveryygay
Thisuserisveryygay
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You fell down a hole trying to star gaze on the mountain but slipped on a root of a tree and fell! little did they know you would fall in love with a skeleton that causes chaos around the multiverse!
Bad Sanses x Reader: Parody Version by -Xenon-Aqlas-
-Xenon-Aqlas-
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These stories are somehow getting overrated. The villain crew and the negative guy himself: Nightmare Sans, falling head over heels over a character who just wants to imagine to be with them. Maybe it's time to twist things around. The villain sanses crew may be a "cute" trope but it is never canon to begin with. Y/N's gender is unidentified for the sake of the story. They can either describe themselves as male or female. Y/N meets expected cliches and illogical scenes, making fun of what's happening to them... with an of course, a plot twisted ending. |WARNING: Swearing| ⚠️ |Cover Not Mine|