Undertaleaus Stories

Lust is caught up in the drama of being misunderstood, but one love will make him realize he's more than what people believe. This is the revised (and longer) version o...

In this story Error sans is the most hated and one of the dangerous people in the multiverse... But why? Well the answer was quiet simple, he destoryed aus. Every new an...

The tittle says everything you need to know.

Small warning if you don't like the ship Gaster x grillby don't read Also no sex scenes or anything sooo yeah Also might be one of those ones that I work on when I can'...

Basically what the title says 🔥🔥🔥🔥🔥🔥 Contains: - KNY - FPE - UT AU/ATs - Original OCs I think that's ir.

Your a new sans AU, and it seems that you might just be the right target for the Bad Sanses. This is a story where you can take part and vote on some actions for the rea...

Note to self: Never make jokes about getting reincarnated into a video game character because it'll actually happen. Welp too late to go back now, considering I'm alread...

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...

This is the sequel to my Destructivedeath story so if you didn't read that please read it first or you'll be lost(probably). Please enjoy otherwise with reading :D

Yeah sorry gained an idea on if someone became swap Gaster Also they may be apathetic or just confused on their feelings and MAYBE Autistic, I may be a bit wrong on ap...

Making little short stories about the skeles 🌹May request if you want to 💐

Cover is NOT mine( my art skills aren't that good and I prefer to use pencils)credits to the original artist (plz don't come after me) On one fateful, seemingly usual, m...

A change can lead to a new outcome, some worse than others or better than expected. When one's curiosity leads to a new life, do you accept the change or destroy it fro...

❝ Long Ago, Lived Monsters, Humans, Mages, and Dragons. All living in peace. Until humanity decided that Monsters, and dragons weren't meant to thrive in peace along wit...

Disclaimer: This contains some smoking, foul language, gore, and fluff the Undertale aus/characters and music belong to their rightful owners and are not mine, Viewers d...

Many know of the kids of the closest thing this world has to gods. But not many know the struggles they go through. WARNINGS: Neglect, Not very good parenting, kids deal...

Incorrect quotes from Undertale and from Undertale AUs!

Geno has a breakdown after another failed attempt at convincing the Sans in the current timeline to erase it and starts sending attacks all over the Save Screen. Unfortu...

I apologize for the long updates and unfinished requests. I am struggling with motivation and writer's block. Requests will open as soon as possible, thank you for your...

Random stories about Undertale, Deltarune, Undertale AUs, and Undertale Yellow that I will post on a whim :)