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1. For your sake by Naryhey

   Fandoms: Undertale (Video Game)  

   • Not Rated
   • Creator Chose Not To Use Archive Warnings
   • F/M
   • Work in Progress

   23 Jul 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Nightmare sans/reader
   • Nightmare Sans
   • Reader
   • Killer Sans - Character
   • Dust Sans
   • horror sans
   • Dream Sans
   • swap sans
   • Reader-Insert
   • Reader is a Demon
   • Bad Sanses | Nightmare's Gang (Undertale)
   • Star Sanses (Undertale)
   • Truce

   Summary

   Nightmare and his gang are fighting the star sanses when suddenly, a demon appears, sending them to another universe, forcing nightmare to have to face an old acquaintance...

   Series

   • Part 4 of Demon reader

   Language:

   English

   Words:

   2,637

   Chapters:

   4/?

   Comments:

   24

   Kudos:

   26

   Bookmarks:

   9

   Hits:

   310