Underswapsans Stories

Reborn as the guardian of positivity, you find yourself in a strange new world, uncertain of what it may hold. Navigating it isn't easy with gods like Nightmare and Erro...

Moved from AO3 because of reasons! "You are the only maid (or worker in general) that serves for the Skeletal Household. It's a skele-ton of work, but you manage by...

He knows he'll be dooming them if he falls, but he's tired, his body is breaking apart, held together on a higher being's whim only. He wonders if there'll be another to...

A book of Dreamtale oneshots I started writing in 2017 that gradually turned into an actual story by 2020. The writing isn't great at first but I assure you as the onesh...

Nightmare had been so kind. He'd said all the right things and done everything perfectly to gain Dream's trust. When had the proposition turned from the possibility of...

this is a love story between swap sans and the reader, the reader falls runs threw MT.Ebott trying to escape her twisted guardians when she is shot into a massive hole...

*Just a normal fgod fanfiction. *...or is it? Error gets cornered in Outertale by the Star Sanses. He missteps and falls into the VOID. Blue tries to catch him, but topp...

Haré la traducción de esta serie de cómics que me gustaron bastante de los mundos alternos de sans y papyrus(y Gaster) en una fiesta de navidad xD Disfruten! (?) Psst, n...

[Prolong] My name is (Y/N). I have experienced many resets, so many I have lost count. The only people who remember are Sans, Flowey, and me. The monsters down here are...

Just Sans X Reader No Lemon Cover by my homeslice tkdgirl222 I don't own any of the characters in these story Don't kinkshame me I know your here for the same reason I w...

After a bloody battle with Ink, Error teleports to Outertale to jump into the Void. Ink and Dream followed him to continue the battle, only for Dream to accidentally fal...

[Underswap Papyrus x reader] You have a secret. You are the last of your kind, shapeshifter / Human hybrid. The very culmination of your being constantly pleads for you...

When Dream loses his memories after receiving severe head trauma in battle, Nightmare and his team choose to take advantage of the situation...

Cover by @sergeantmisos on Twitter. Likely not to be updated for at least a few years. So sorry <3 undertale and its aus aren't really something I'm fixated on anymor...

Y/N, meets a new coworker that changes her life forever. A monster, doing his best to make a living after moving out of the underground. Sans is this ecstatic, cheerful...

One day From the window of his workplace, Error notices Ink trying to sell a few of his paintings on the sidewalk across the street. At first, he thinks nothing much of...

An au sanses x MONSTER reader x au papyruses? Papyri? A fanfiction, it is not self-indulgent. So if your just lookin for some fanfiction to put yourself in, here it is...

You are locked below ground where nobody can find you. Chained to a wooden post in a dark, cold room. You are left with no memory and pain all over. You are left there f...

The title says it all. Sorry this is my first book so it's probably a piece of crap. Will contain mature content. Such as, swearing, abuse, general violence.

I'm a simp for him and not many people make an x Muslim Reader.Since I'm aalso a muslim myself,so I make my own story.Anyway enjoy I gues. =D