Undertale Aus
54 stories
I didn't sign up for that shit by puddle_of_creativity
puddle_of_creativity
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If someone had told the Bad Sanses a week ago that they would not only have an unwanted vacation but would also have turned into children, they would have dusted them off without hesitation. But now? They just wonder who they pissed off to endure this fate. Or: Nightmares gang gets the right body for their behavior and is delighted with a terrible babysitter. [Besides my Ocs, I don't own any of the characters. Cover Pic was made by ShironuSins on Twitter]
Error!sans Oneshots by Gl1tchedFe3l1ngs
Gl1tchedFe3l1ngs
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This just has a bunch or oneshots with error sans in them, mostly with ships as well. rules are in the first chapter MOST EARLIER CHAPTERS ARE BAD! READ AT YOUR OWN RISK
Sanscest one-shots {requests closed} by idkTbh1273
idkTbh1273
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Uhhhhhhh- Hellloooo ! You know what this is boys ( ͡° ͜ʖ ͡°)
Royal Blue by dealialestina
dealialestina
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Sans knows a lot about secrets; he hides many. But when old burdens emerge from the darkness, secrets, new and old, put his brother in danger; and what else can a good big-bro do but begin a double life? This decision haunts him, even years after his suit of armor is stocked away and hidden, after his quaint life of depression, puns and resets are set to loop forever, and his part in the war is forgotten... But then, the barrier is broken. And it is quickly realized that this is not the end, but a beginning of something new. Something that feels like dust, blood, and a suit of armor; an old lie to slip into once more. (Currently being completely overhauled! Anything without a chapter title (ex.: chapter 4, chapter 5, etc.) is old and will be re-written!)
error x Everyone by amandadiaz696
amandadiaz696
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Oneshots
CREATED [ErrorMare FanFic] [Finished] by G4wkin
G4wkin
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Error was a glitch, No matter how much he tried everyone knew him as a monster. He was alone in the void... Nightmare was going through the same thing, as days turned into nights, weeks turned into months, and months turned into years. Nightmare have been growing stronger and stronger full of hate, He was the nightmare, filled with negativity and hatred, he's come bold and hated upon, so he hated them. And vanished as the night turned black. The hope tree have come weak and powerless, the two were balancing the hope tree, but with nightmare gone, it made the tree weak. Nightmare wanted someone who knew what he felt.. when he meets error.
Sancest one shots (Completed) by _forgotten_soul_3
_forgotten_soul_3
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Yeah I'm doing this now. If you want more info go to the first chapter there will be some rules like how to request. Okay? Okay. Let's go! Also take whatever you think is cannon and leave it here because this book ain't about any of that. (Non of the art is mine unless stated otherwise.)
ErrorMare [] Oneshots by TheoEvelyn
TheoEvelyn
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Prepare for the angst and fluff >:D I'm going to make the chapter fluffy and it will be angsty at the end. This is Error X Nightmare oneshots I take requests from readers. This book mostly will be angsty stuff so prepare tissue! Also enjoy if you are a sadist. [] Request open [] [] Published on June, 29th []
Misunderstood  by emilizbeth14
emilizbeth14
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In this story nightmare and his gang save the multiverse by making sure the balance isn't broken so they have to be the ones making the sacrifices in order to save the multiverse...but they must sacrifice themselves in order to do so. All of the good sans misjudge them without knowing that thier actually saving the multiverse..but what will happen when nightmare and his gang get tired of being the bad guys? Will the god of destruction along with the gang just let the multiverse crumble?
Overwright (Ink x error) Slow Updates by Mel_Sans0W0
Mel_Sans0W0
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For those who like to watch and see ink suffer greatly, this is for you. I know some of you do like seeing in suffer, I K N O W Y O U R T H E I R . ANYWAYS, since i love to watch ink suffer horribly and being there with error, BOOM, this book is going to be made! Sorry, slow updates TwT