An Assassin's Love (Gaster!SansXReader)
  • Reads 5,043
  • Votes 247
  • Parts 15
  • Time 1h 16m
  • Reads 5,043
  • Votes 247
  • Parts 15
  • Time 1h 16m
Ongoing, First published Jul 14, 2016
(NO LEMONS will be in this so sorry)

It's been eight years since the monsters were released from the underground and instead of the humans accepting the monsters they attacked. Now the humans are yet again in another war against the monsters. I (Y/N) (L/N) am in the group called the Peacekeepers. The Peacekeepers is a group that made an alliance with the monsters and fight against the opponents the Dustseakers. As if you can't tell the Dustseakers want all monsters to become dust. My job in the Peacekeepers is pretty simple, I'm an assassin. I never wanted a partner because of reasons but everything changed when I got a certain skeleton for a partner and maybe even more. 

(I don't own Undertale or anybody of the characters)
WARNING:Swearing, and possibly gore will be in this story.
All Rights Reserved
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24 parts Complete Mature

Its been a year since Frisk and their gang freed the underground. Humans got used to it but youve never met one. You've actually never gone outside your house. Your..your not exactaly a human nor a monster. With cat ears and cat tail people call you a monster, others call you a 'it'. Your friend mainly takes you stuff you need because you don't want to go out. Well you two get into a heated argument and she doesn't bring you your supplies. Your forced to go out and you meet an...interesting skeleton and you two become friends. What now?