Gasterxreader Stories

Suddenly you find yourself in the Underground, with no memories and an unknown and painful past. Your first encounter is Flowey and he tells you how weird and different...

Gaster is the current royal scientist, set with a mission to break the barrier and free monster-kind from their underground prison. His loyalty and persistence to the ta...

[✋ ✌💣 💧❄✋☹☹ ☟☜☼☜] After your journey through the underground, despite saving everyone. You still felt like something was missing. Something or maybe someone.

WARNING: THIS CONTAINS HIGHLY MATURE CONTENT (BLOOD, VIOLENCE) READ AT YOUR OWN RISK Money can change a lot of things. It can even change your destiny. Plunge yourself i...

'Filled with power the Queen will rise but loving monsters led to her demise. (Y/n), Queen of Darkness' Frisk stared at the plaque and took a look at the tapestry. A gir...

(Cover drawn by me) The angels weren't supposed to pick sides. They were created for one reason and one reason alone. Protect the humans from any threat. There was no su...

So I was really inspired to keep writing stories by someone who commented on one of my stories. You know who you are. I've been on here a lot and I've seen people actual...

You've always have had a creepy smile, and it doesn't help that you have these scars on your face now.... It doesn't matter though, you're fine with it, and he's happy t...

woooaaaahhh

Hi guys! So this is actually my first time writing a adventure story (and xReader), so I am kind of sorry if it looks crappy!! ****** A long time ago, people were missin...

you know where this is going, you clicked on this so don't shame me! also fuck the time line dadster is alive, well and sexy "Monsters have come back and you've nev...

AU X Reader AU x AU Normal stories. Youknow, stuff.

Author's note: Brrrr this is my first ever fanfic I've ever made sksksk and for the first time, the reason for this is bc I got an idea for Gaster X reader fanfic! I gue...

You are about 15, Gaster is 17. In this Gaster is an older brother to Sans and Paps. Asriel is about 6 along with Frisk and Chara, who show up later. You and Sans are be...

The True Gaster x Female Fanfiction

(Cover art by Tumblr user rorischach) Tw for mentions of medical settings and tools, as well as possible death and light gore. Nonbinary Gaster (he/they), I will die on...

Reader meets WD Gaster. Takes place before the monsters are freed from Underground. Enjoy.

Just a regular girl... until that one day... Xalva just wanted to go to school... finish college... and maybe become a... rocket engineer. Her whole life she had looked...

you can and Dears us both just STAR ASKING AND DEARING US OR SAMETHING

I lost everything in that fire, my neighbors, my memories-my bed... In a way, it was a not-so-controlled swailing, gifting me a fresh start in Ebott. So when I finally g...