Badsans Stories

A weird UnderFell sans ends up hosting Fresh, Error, and many others. And by "a weird UnderFell sans" I mean a dumbass that got thrown into a fell sanses body...

(The Bad Sanses act more or less like a group of misjudged people trying to help balance out their multiverse in this book :3) *no description available yet*

Someone dies and are reborn as a Shadow Papyrus. Let's see how thet deal with it shall we?

Y/N was a new skeleton from plushietale, (I don't know if this is an actual sans au, so just go with it) She was soft and what she wore was so cute, she had this golden...

These oneshotes are about age regression. !Don't interact if your only looking at this in hope for smut! Age regression is !NOT! a kink it is a coping mechanism.

FIRST 19 CHAPS R CRINGEYYYYYY!!!! HIATUS "Woah~ This is cool, Hm.. Hehe." What would happen if one of us adventure seeking creatures finally got their wish? &q...

(Y/N) was a normal girl but she was homeless since her parents kicked her out a month ago. But that all changed when Nightmare saw how negative she was. But what happens...

'passive' nightmare sans, as people called him, was trapped inside his own soul as 'currupted' nightmare sans controlled his body, spreading negativity throughout the au...

Hey guys!!! I just kidnapped bad sans and star sans in reaction room with each other!!! Plus I was bored and why not bug my universe storyline for fun!!! And nightmare...

! WARNING ! IT'S OLD AND CRINGY AF AND I DIDN'T KNOW WHAT I WAS DOING BACK THEN As many Fgod stories shows that Error was forced to destroy by Fate. What if Fate didn't...

You wake up, finding yourself standing in a desolate grassy field, only the green grass had withered and died, leaving behind a dry, lifeless expanse. Above, the sky was...

Enjoy these one shots [⚠️ WARNING ⚠️ MATURE CONTENT]

One minute I'm peacefully babysitting by little brother, the next in Dream from DreamTale. Does this mean I'm gonna need to act nice towards everyone? One thing's for su...

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...

in a world with no magic or technology, only curses and blessing, a small town sits on the border of the kingdom of 'new worlds'. this kingdom was ruled by the king, ink...

What if..someone became the same parasite that was fresh? Not as the skeleton, but the parasite, the thing is, when this parasite gets memories of another life and their...

Y/n had a normal life before everything happened to her a good childhood until she turned 15 and then her mom and dad died coming home take a adventure as y/n survival o...

I am (y/n), female age 29 years old, having a game night with three friends where we were 7 years old. we were hit by a high driver. We died together that day.

Creepypasta x Undertale x Harry Potter A world where beings made of magic were trapped underground. A world where beings of insanity kill to keep the world from fallin...

( I restart my book here!) nightmare and lot c-ptsd sense childhood from village befor kill them they use to bullying, hurt him real badly, r@pe him unil he couldn't...