Gasterxreader Stories

"What's that look for? Are you perhaps unhappy to see me?" "Oh no. Oh no, quite the contrary, my love. I've craved to be with you for the longest time&quo...

Even though the Underground is now empty, except for some people, you still stupidly managed to fall in the once prison for monsters. Who knew you would get away from th...

'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...

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...

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...

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...

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'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...

OLD AND BADLY WRITTEN THE REWRITE IS POSTED ALREADY DISCLAIMER: The god figure created in this fanfic is purely fictional. He is purposefully made to be prideful and cru...

woooaaaahhh

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...

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

your name is Y/N and you got transferred into a void filled with tall skeletons and you are very confused...but...not afraid

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...

It's been a few years since monsters had poured out from Mount Ebott unexpectedly. You were always a kind soul, so you had very little problem adapting to the newcomers...

Your a neko: (deal with it) your 'Master' has thrown you into a pond that had a waterfall going to the underground. After falling 1000ft down, you landed on a soft yello...

One day a young adult human female was coming out work, and had a strange feeling that something wasn't right until she pass one certain building then everything went bl...

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...

The True Gaster x Female Fanfiction

(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...