Undertail Stories

SKELE-DIC

⚠️WARNING: THERE WILL BE CUSSING AND SEXUAL ACTIVITY⚠️

This is my first fanfic so don't judge too hard please... anyways, hope you like it you sinner ;) (18+!!!! Well, if you're younger I guess I can't judge you. I'm not...

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...

Not for kids lmao

" why dont you just take a swan dive off a building and hope that in your next life you get a quirk " was the greatest advice given to the quirkless boy izuku...

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

Warning : bad grammar

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

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

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...

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...

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...

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...

Want to be in a one-shot with the sans of your choice? Well you came to the right place!!! Just comment down below in one of the one-shots!!! Enjoy!!!!

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

Comics of undertail

Yep, art not by me by the way, there will be inappropriate references in here

My story ideas feel free to use them just be sure to tell where you got the idea from

In a world where heroes rise and fall, two souls from vastly different universes find themselves entwined in a new life. Izuku Midoriya, the courageous young hero from U...