{Broken Already} Gaster Sans x Reader

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

Don't Go {Gaster!sans x Abused/Depressed Female reader}

I have NO plan. Please leave suggestions and feedback in comments! =3 *This story was written by a very angsty 13 year old with mental health issues. It is very cringey and old. Read at your own risk.*

Hurts Like Hell (G!SansxReader)

This is a Slowburn so hate me all you want, I dont care. If you dont like it then dont read it. Basics: y/n-your name l/n-last name e/c-eye color f/c-favorite color h/c-hair color s/c-skin color Setting: Monsters were released from the underground and onto the surface. The Humans were use to living with them but not u...

Gaster Gang x Reader OneShots

(Edit September 4 2023: requests closed as of like six years ago sorry guys) Read to discover which events take place in the Void as (Y/n) journeys throughout life with the five main Gasters! (And possibly more!) Keep in mind I am only a short kid...thanks Enjoy!!! ;D

Cuts and bruises (A Gastertale sans X Reader Fanfiction)

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 is now but a bitter wasteland. At the beginning of the war, a 13 year old girl named Y/N M/N L/N lost her family to the monsters. Living on her own, w...

Echotale Gaster Sans x Reader

This is not a lemon but it is funny and romantic, But mostly funny. These characters do belong to the person who created echotale, but the story is mine. It isn't following the echotale story line, I'm just using some of the characters and the setting.

Blown Through The Rift (Gaster!Sans X Reader)

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 through a dimensional rift. When you reawake, you find yourself in what seems to be the beginning of Undertale once again. Upset but not overly surpr...

In Love w/ A Criminal (G!SansxReader)

At fourteen you were forced to join the military by your father causing you to experience self defense but not having a well educated mind. After four years when you became eighteen you got out of the military without your fathers permission to get a proper education and shut your self out from everyone not wanting yo...

Kitten (-gaster!sans x reader-)

The monsters were freed from the under ground. The humans are racist toward the monsters but the leaders of the human race have decided to restrict any human or monster to harm another to prevent another war.

Matchmaking: Gaster Sans X Reader

It was a simple project for your programming class- to make a matchmaking app. Only catch, everyone's partnered with the opposite gender, so each gender gets input on the app. And it's even worse when you get partnered with a flirty skeleton.

Love Is Complicated (Gaster Sans X Reader)

You work as a bartender at a place named Grillbys. But, what happens when a mysterious skeleton comes in and shoots the place up. You were knocked out. Then woke up in your apartment. Who was that Skeleton..will they change your life forever, or will they make it even worse? (THIS IS MY FIRST STORY! SORRY IF ITS CRAP...