Undyne Stories

This is my first time writing a book so sorry if it's bad. [This book is being rewritten. Also, this story is cringe read at your own risk.] [I swear to God, please sto...

Have you ever wondered what happened before the Seventh human fell. Before YOU...came to the Underground? The person that manipulated time and space, who played with the...

(Y/N) was an average kid on the surface. They had learned about the war between Humans and Monsters and that they should never go to MT. Ebott. It was dangerous there. A...

Undertale is going to react. This will not be entirely canon and will include aspects of what I believe (backstories, ect.) I do not own the cover and I do not own any o...

These One-shots are more like... "fluffy" and funny ones. Of course there'll be some Yandere or something if You like them~ And I'll try to make as many charac...

Something I've been thinking about making for a while now. I hope you guys can enjoy it! (Warning! Themes of suicide and depression are in here as well! If any of that b...

Sans has had an interesting past. A past that even his beloved brother barely even knows of. A past that he wishes could remain a secret. But when the questions start be...

After dying in the hospital due to complications in surgery, an Undertale fan finds themselves sitting in Asgore's throne room. Where they have no idea where they are in...

So harem book of Charas and Frisks x male reader but real description is below this. The only one of his person in all universes is part of Undertale with an OP powers b...

One shots (or parts) with Undertale characters! Cause LIFE! No media belongs to me unless specifically said ITS ON HIATUS CAUSE ZILCH MOTIVATION ;-;

I own nothing but plot I guess , also I don't own the thumbnail art and undertale is owned by Toby fox Long ago two races ruled over Earth: HUMANS and MONSTERS... One da...

Yup! They're back! A thing I started back in my older account UndertaleKyannaKitty. They're your siblings now! Cute, edgy, as much angst as you want, sad-whatever! Reque...

Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over a...

In this AU, Frisk is suicidally depressed, and it's up to Sans and Papyrus to restore his will to live. Just a heads up. Frisk does try to take his own life. Things g...

"How rude, not even gonna ask for a name??" He teased. "Why are you here?" You glowered, raising the whisk. The skeleton scoffed: "Well, glad yo...

......"It's a beautiful night today. The stars are twinkling, the crickets are chirping...On nights like these, villains like you, should be burning in hell"...

Cover photo drawn by SodiePawp. Hello there! This is nman1983 and I am a male in his 30s that writes Undertale tickle stories, something of which I have been doing since...

You woke up on bed of golden flowers without having anything to remember. Going to an adventure where you met with many monsters to go home. Easy, right? Not really, act...

The part 2 of comic book of Undertale because I ran out of room.

Underfell Papyrus is viewed as one of the most ruthless monsters in the underground but what is really under that tough persona? Thanks to Tamqul on Deviantart for letti...