Undertail Stories

This is all UnderTale characters expanding in multiple ways. Including: Ass, breast, belly, thighs, and maybe even all (And POSSIBLE cumflation) Some and maybe most will...

Not for kids lmao

It's been a while since Horror's world could be considered even remotely kind. But a newcomer drops in, and reminds him that there's still sweetness to be found in life...

As requested by my readers. This book contains explicit content. Stories that follow with your deepest fantasies about the characters of undertale. I take suggestions dr...

It's almost the end of highschool for Killer, an 19 year old student at a human and monster school on the surface. Killer isn't ready to leave the highschool yet as he's...

Howdy, this is a flowey X reader thing, I'll try to post often.

Plz give me suggestions of what to do next and if I don't upload for a while it's because I have important things like school homework and I'm probably thinking about wh...

You've lived your life without ever knowing your parents. Despite that you dream big because you don't have much; aiming to become a famous singer and prove anyone who h...

this is full of omotale stories I write please excuse my Shity spelling and grammar this is NSFW I do take requests some fontcest

A contest between friends I'm sorry you had to witness this horrible story.

You aren't supposed to be alive. You fell into the bowels of Mount Ebbot - you were supposed to have died, right? It doesn't matter, anyway. Someone very frightening is...

Yes another fontcest I know. This is currently a work in progress so please be patient with me. Word average of about 1000 words per chapter

Hello! Here is a fanfic that I will write for you people who wanted this but couldn't find any.

What Should I Describe Here? I Guess The Title Already Says Everything so Far

Nightmare, The King of Negativity, known for being cruel and torturing people. But oddly enough he feels lonely, I mean it must be hard when his only friend Error is alw...

This is like my other one shot story except with lemons/smut/sin/sex or whatever else you want to call it. It might/will include boy x boy, girl x girl, boy x girl, and...

It's your first day and you had a black eye because of you dad. You where nerves for school because you where going to Underhigh. And you love sciance but what if that a...

You were an orphan, and you had just been taken away from your parents or what's left of them, after that fire that burned down your house you lost three things your par...

Just a drabble :P This story will include 18+ content, if you're comfortable reading that then move along, but if you are younger than thirteen and still have not had...

For all y'all dirty mined people who want this, i dont know why I'm making This