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• Not reality || Killer X Reader by aChild_7

  Fandoms: Undertale (Video Game)  

  • Teen And Up Audiences
  • Creator Chose Not To Use Archive Warnings, Graphic Depictions Of Violence
  • F/M
  • Work in Progress

  01 Jul 2026

  Tags

  • Creator Chose Not To Use Archive Warnings
  • Graphic Depictions Of Violence
  • Killer Sans/Reader
  • Killer/Reader
  • Killer Sans - Character
  • Sans
  • Other Characters
  • Other Undertale Characters
  • Alternate Universe - Undertale Multiverse | UTMV (Undertale)
  • Reader Is Not Frisk (Undertale)
  • My First Work in This Fandom
  • Angst (?)
  • Female Reader-Insert
  • Isekai
  • Did somebody say killer sans
  • Killer sans may be ooc here but i'll try my best
  • killer sans
  • reader with happy family maybe
  • reader is employed
  • Something New Sans | Killer (Undertale)

  Summary

  A game called undertale have been trending lately, especially around youngs & adults. [Reader]'s younger brother reccomended her to play the game. Most likely because he doesnt want to waste a penny for himself since his older sister already works.

  Despite the obvious reason, [Reader] decided to give it a try when she's free. Not knowing.. things would change..

  Language:

  English

  Words:

  1,055

  Chapters:

  1/?

  Hits:

  5