[COMPLETED] Gaster Gang x Reader Oneshots!
  • Reads 57,400
  • Votes 1,271
  • Parts 31
  • Time 1h 5m
  • Reads 57,400
  • Votes 1,271
  • Parts 31
  • Time 1h 5m
Complete, First published Feb 17, 2019
Ok I have never done a oneshot book before -_-

WARNING: VERY SLOW UPDATES

let's get the first thing out of the way-

I don't under any circumstances own:

-The Gaster Gang by Bunnymuse
-Undertale by Toby Fox
-Any art
-Any YouTube videos 

let's see which characters you will be shipped with-

-WingDings: Undertale
-Swap: Underswap
-Fell: UnderFell
-Blindy: Newtale
-Stars: Outertale
-Maestro: Underbeats
-SF: SwapFell

I'll explain everything in the first chapter

Baiiii!~
All Rights Reserved
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18 parts Complete

Reader insert. What if W.D Gaster didn't just get split between time and space, but actually ended up in your world in an abandoned hospital you called home? Your were a young child he decided to use as experiments to test human determination in said world and breaks physical laws to test human possibility? He knows of the powers you gained from his experiments... all but one, this one allows you to tear realities just enough to teleport into them. Knowing of Undertale you felt bad for the monsters stuck below in their world and wish to help them, but something goes wrong and you end up going to certain AUs and helping them, gaining the attention of some bad skeletons who now desire your power for them-selfish-selfs.