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1. The Case of the Unknown Safeword by T4Tress2 (Solesker)

   Fandoms: Deltarune (Video Game)  

   • Explicit
   • Underage Sex
   • F/M, Multi, Other
   • Work in Progress

   07 Oct 2026

   Tags

   • Underage Sex
   • Noelle Holiday/Kris
   • Asriel Dreemurr/Noelle Holiday
   • Dess Holiday/Noelle Holiday
   • Asriel Dreemurr/Kris (Deltarune)
   • Asriel Dreemurr/Dess Holiday/Noelle Holiday/Kris
   • Kris (Deltarune)
   • Asriel Dreemurr
   • Noelle Holiday
   • Dess Holiday
   • Toriel (Undertale)
   • Carol Holiday
   • Mating Cycles/In Heat
   • Consensual Underage Sex
   • Mystery
   • Detectives
   • Horny Teenagers
   • Trans Noelle Holiday
   • Intersex Kris (Deltarune)
   • Nonverbal Kris
   • Incest
   • Consensual Non-Consent
   • Dubious Consent
   • Noelle Refuses to take no for an answer
   • But played for laughs instead of frowns
   • POV Third Person
   • POV Second Person
   • Only when Kris is 'talking'
   • Not A Reader-Insert
   • Four Years pre-canon
   • Alternate Universe - Everyone Lives/Nobody Dies
   • mild violence
   • Piss Kink
   • Piss Drinking
   • Wank and Tell | Creator is Open to Comments about Masturbating to This Work
   • Author is Open to Hearing about Dead Batteries
   • Feral Behavior

   Summary

   Detective horror except instead of getting murdered Noelle Holiday sticks her dick inside you and refuses to let you leave.

   When Dess leaves town for a camping trip with her dad, Kris and Asriel witness the entire force of Noelle's newly invigorated lust. Neither of them know Noelle's safeword, and December's trained her sister to refuse to take no for an answer. Will Kris and Asriel be able to sleuth out the knowledge they need before Noelle wrings them dry?

   Series

   • Part 5 of Deltasmut

   Language:

   English

   Words:

   6,921

   Chapters:

   4/?

   Comments:

   12

   Kudos:

   26

   Bookmarks:

   3

   Hits:

   770