In Love With A Killer - Psychotic!Sans x Detective!Reader

Test subject

Gaster the royal scientist dark reality, you've seen the boys. You THINK you know there backstory. It's time for a harsh truth about Sans and Papyrus you never thought you would hear This story is based around my friends theory that Sans and Papyrus in a sense where 'made' by Gaster.

Underfell Destructions Pearl

Your friends have dared you to go into the cave that no one had ever returned from, The grusome legends date back for as long as you can remeber. After falling down into a hole that has no escape you must face up against Monsters. who are relentless killers and your only friend is a strange talking flower. Will you su...

Sansxreader Oneshots[discontinued]

Tbh some of the one shots have multiple parts! And this is filled with trash! So yea, read if ya want to Slow updates sometimes WARNING : THERE IS A LEMON IN THIS BOOK, IT HAS A WARNING AT THE BEGINNING, IF YOU DON'T LIKE THIS TYPE OF STUFF THEN SKIP THAT PART OF THE ONE SHOT THANKS

A Skeleton Has No Heart

Sans X Reader. You just went through a dungeon, got a goat mom, now you enter a cold snowy forest. What's next?

Most beautiful Girl in the World Sans X Reader

Everyone is finally above ground, Sans is on his own journey into the world and He suddenly meets the girl of his dreams. Will his love be accepted? or will humans and monsters never be able to be together

No More BONELY Nights- UNDERTALE FANFIC (Self-insert Sans romance)

You're in a world post-game of Undertale. Monsters were flooding up from the Underground, and no one was quite sure what to do with them. Most people knew of them, and expected it eventually. It was hard to get used to seeing these... People, you guess, but it became normal after the first month or so. They started ge...

bad to the bone (Undertale sans x reader)

I dont even know what i'm doing. I just love sans and stuff...... fuck my life what even is this Its a "love" story (ew) including frozen spagetti and bad puns i guess and flowers..... maybe idk

Puns ( Sans x reader )

Warning! There is a chance that there will be spoilers for the pacifist run of undertale. I recommend finishing that before reading this. There won't be any spoilers for the no mercy run, so don't worry about that! Also, don't worry about anything NSFW/lemon if that's not what you're into-there won't be any of that he...

Sansational

【Ｒｅａｄｅｒ Ｘ Ｓａｎｓ】 ❆ Take care of yourself, 'cause someone really cares about you.

Undertale

I'll take a crack at writing some Undertale. Please enjoy! (One shots and X readers)

A Cry From A Hybrid (Sans x Reader)

Being a 21 year old wasn't easy, especially for you. After an attempted suicide that ended in you meeting a certain skeleton, your life got flipped upside down. And now you have... powers?! Hey! This is my first ever story haha don't kill me ;-; um, I'll have to drop a trigger warning for suicide sooo... Don't read if...

Gifted Undertale Fanfic

Sans, The son of Gaster the Royal Scientist. A gifted boy who must find a away to accept the absence of a father and given the Underworlds fate by his fathers crypted messages through a strange and confusing alphabet. Sans must decide is it worth bringing back his father but putting the fate of the underground in jepo...