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1. The Sweetest Poison by Wingless_Hummingbird

   Fandoms: Undertale (Video Game)  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Complete Work

   06 Feb 2024

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Sans/Sans (Undertale)
   • Nightmare/Killer
   • Nightmare — Character
   • Killer — Character
   • Sans (Undertale)
   • Papyrus (Undertale)
   • Unhealthy Relationships
   • Romance
   • Twisted and Fluffy Feelings
   • Implied/Referenced Suicide
   • But not our main characters
   • Nightmare Just Has Weird Hobbies
   • Soul Touching
   • Tentacles
   • Obsessive Behavior
   • Voice Kink
   • Nightmare And Killer Are Their Own Warning
   • They Are Both So Messed-Up
   • Corruption
   • accidental love confession
   • God Complex
   • Hand Jobs
   • killermare - Freeform
   • Nightkiller - Freeform

   Summary

   “You do not wish this kind of attention, I assure you.” Nightmare’s gaze travels to the red target soul. Fortunately, some monsters cannot be broken by hardship. “Besides, I can hardly whisper sweet nothings to you until the last bit of will to live leaves your soul.”
   Killer snickers and throws the knife back into the snow. This one isn't worth keeping, apparently. “I’m flexible. Ruin me in another way.”

   Or: Just Killer and Nightmare enjoying each other's company.~

   Language:

   English

   Words:

   3,689

   Chapters:

   1/1

   Collections:

   2

   Comments:

   15

   Kudos:

   283

   Bookmarks:

   33

   Hits:

   2,596