Underswapsans Stories

After helping horror leave the bad sanses, swap sans takes horror to an au where no one can bother them and where they both can live a peaceful life for a little while. ...

So, this was my first book I made on here! This story is unfinished, and I don't make parts very often..But I still try my best to make the parts of some quality at leas...

[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...

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...

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...

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...

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...

being pulled away from your home while your simply enjoying some alone time can be annoying and to make it worse you have no say in the matter as 2 teams keep throwing...

Picture not mine credit to artist! This story is about Dream who never knew anything about Error but when they spend time together and over come obstacles, maybe just ma...

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

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...

Since there is no or any "bonely hearts club x female reader" I will be the first one to do it... so I hope you enjoy this book.

"There IS worse fate than death" The cover isn't mine. Just a few warnings: -boyxboy -girlxgirl(maybe?) -blood -su¡cide(kinda) -death

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...

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...

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...

Strange things are happening in the multiverse and Ink decides to find out what's going on only to become a new puppet for Error, find out if Ink finds a way to escape E...

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...

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