Gastersansxreader Stories

How long has it been ......how long am I gonna keep doing this......its to late already right? He already knows. Please just read the story to find out Its just a little...

"That's how I ended up here." "Seems bad." "Oh no, it was hell."

------------------------- "Well would you prefer 'glasses' or 'human'?" He smirks. "..." You glare at the smoking skeleton. "Then Doc it is.&quo...

Normal days in your huge...lonely....stupid house that was given to you by your mother and father. They gave you everything, but not out of love, just to get you out of...

The only way to the top in this world, this world born of war, born of death, the only way of ascension? ...is to become someone you don't want to be. And so I've got to...

You're (Y/N). Just a normal girl, with a normal life, at a normal high school.... Or so you thought, until you met a some of the most unusual people...

This story is based off of times in my life where I imagined G was with me! WARNING: I WILL ADD SEXUAL CONTENT, STRONG LANGUAGE, AND DESPRESSION Description: Y/N lived w...

You were working with Alphys in the lab in Undertale when chaos strikes! In a freak accident, concentrated determination is mixed with an unnamed concoction and blow you...

This story is due to my love for romance, adventure, and love

Hi I'm y/n and 19 and I'm very shy and I have a crush on someone his name is gaster sans or g for short and I've been in the same grade and same class with him for years...

Raven Aris, the girl no one knows, the girl everyone hates, the girl who hates humans for they killed her friends, the girl that hates monsters for they killed her broth...

It's been 5 years since monsters have broken out from the underground. The moment they came, everything went to chaos. War broke out throughout the land and everything i...

You know how they have "Adopt a character" stuff? Someone draws a bunch of Ocs and then has a contest or lets people pick one they want to use? Well I'm doing...

Your life hasn't been the best, Your parents don't really like you, and you're being bullied Way too much at school. Yeah, your life is hell. Until you meet Sans. I don...

-------------------------- The 3-year-old frisk cried, as you held them close, rubbing their back. "Kitten, who's this?" The skeleton asked. I growled. &quo...

(Y/N) is a young girl with a questionable past. What happens when she meets a smexy skeleton that knows how to fix her?

It's been a years since the barrier to the underground and the human realm was shattered by the human Frisk. But as time went on Frisk went missing. Humans did not take...

NOTE: THIS STORY IS DISCONTINUED [Drawing on Cover by: SmokyJack on Deviant Art.] You clumsily bumped into someone on your way home from work, apologising as their paper...