Aus Stories

1.2K Stories

Reborn as Error by Kiwi_Seal
Reborn as Errorby Kiwi_Seal
Cover image made by me. Someone meets their end too soon and meets someone who gives them another chance to live a more fulfilling life. One that they would enjoy despit...
Becoming papyrus from underswap  by KarmaAkabane425
Becoming papyrus from underswap by Karma Akabane
What if someone became papyrus from underswap? What if they gave their brother more freedom? What if they were the one that error kidnapped instead of sans? (Things wil...
Reborn as a Echo Flower? by DancingAce1
Reborn as a Echo Flower?by DancingAce1
Where am I!?And why the heck am I suddenly a blue talking echo Flower?
What Love Does to the Best of Us (Error x Core!Frisk) by Turtlleee
What Love Does to the Best of Us ( Turtlleee
Core!Frisk had finally captured Error's heart, something she had been attempting to do for the last few months. Error, despite seeming to be capable of being nothing mo...
Undertale x male reader by MemeBoy2876
Undertale x male readerby Toad Yeager
So harem book of Charas and Frisks x male reader but real description is below this. The only one of his person in all universes is part of Undertale with an OP powers b...
Reborn as Ink Sans...but different? by DancingAce1
Reborn as Ink Sans...but different?by DancingAce1
First off, where am I? Did I get kidnapped or something? Wait a minute- is it just me or do I look like bones? Also what's with the two big paint brushes with me and why...
Becoming InkSans. by CcinoSanzUwU
Becoming CcinoSanzUwU
What If a 13 year old Boy who loved the Sans AUS and drawing and painting became Ink? what If he got to create the whole Multiverse but was aware of the Balance.
Sleepy Bois Inc One Shots by Super_Nova1285
Sleepy Bois Inc One Shotsby ✨𝕐𝕠𝕦𝕣 𝕃𝕠𝕔𝕒𝕝 𝔾𝕒𝕪 �...
Here is my Sleepy Bois Inc one shots (+awesamdad) cause i like them- it's mainly just small ideas that are sad or cute (mainly sad because i'm an angsty teen) NOT MY ART...
reincarnated as undertale papyrus by Lazy_Gowrl
reincarnated as undertale papyrusby lazy girl
(COVER ART NOT MADE BY ME, IT IS CREATED BY UndertaleFan92 IN PINTEREST) Inspired by @KarmaAkabane425 they got some good stories, 10/10 Recommended. What happened whe...
Reborn as dream sans ( Nightmare X Dream)  by Alex3740
Reborn as dream sans ( Nightmare Alex3740
I woke up in a tree with future memories of this body on top of mime why me I don't think the deitys would allow for the story too change especially if you are the guard...
༻Reincarnation Exists?༺ by IAMNOTSUSOKAY
༻Reincarnation Exists?༺by LoxieeLikesEntertainment
The Mc(Main character) Dies and was given a chance to live in another world, only to find out that they were no longer a human, but a skeleton, inside a crib? {Slow Upda...
lucky brothers  by cloverleaf777
lucky brothers by cloverleaf
Nagito komaeda is a boy who life has been filled with both good and bad luck but he would consider finding and adopting his little brother kokichi the luckiest day of hi...
Reincarnated as nightmare sans from Dreamtale by nelliesheerin
Reincarnated as nightmare sans Karina Sheerin
A women who loves children dies and is face to face with the decision to reincarnate as nightmare sans if she allows herself to be Karmas chosen child. 'Fgod error belon...
"I'm no hero" (MHA x undertale AU) by SomethingIGuess2
"I'm no hero" (MHA x undertale AU)by SomethingIGuess2
(This is not part of the main multiverse) The reason why I thought of this was because fell sans' weapon look a lot more villain like then classic sans' weapons. In my...
Error gets Tagged.....a lot(DISCONTINUED) by Qu33nIC3
Error gets Tagged.....a lot( Qu33nIC3
Adopted from @Firehedgehog's Idea Factory Error has a social media and so do the rest of peeps but he's definitely the most popular. And with that he gets tagged.... alo...
Killing the Mood by ZeroTVoid
Killing the Moodby Zero Time Void
Reincarnated as Killer Sans but a bit different. First getting reborn and then thrown into a trap AU. Too bed the MC is a genius. (Pun intantional) How that works while...
If Nightmare turned into his passive form [Corrupted Multiverse edition] by RedCobra_owo
If Nightmare turned into his RedCobra
2# in Cream, 16/Oct/2021 4# in Nightmare, 26/Feb/2022 1# in DustHorror 29/June/2022 Sooooo I've been seeing a lot of these on YouTube with Gacha Channels and I thought '...
Undertale: The Void Soul by 2linklouis
Undertale: The Void Soulby Itisme .
You and your friends climb mount Ebott to watch the sunset, but what you find, is a whole new race. You and Frisk grow close, learn about magic and each other, and dis...
Huh? Did I become Error? by DapowerofaslipperU-U
Huh? Did I become Error?by Im bored
What If I become Error? Will everything be the same from the original multiverse? or Will it change? ----------------------------------------------------------------- Th...
SBI Oneshots by Fanta321123
SBI Oneshotsby Fanta
Oneshots but SBI invaded and you cannot escape the lovely fluff and paining angst