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1. honey and cigarette smoke by machete_e23

   Fandoms: Undertale (Video Game)  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • F/F, F/M, Gen, M/M
   • Complete Work

   03 Aug 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Papyrus (Undertale)/Reader
   • Papyrus (Undertale)
   • Sans (Undertale)
   • Undyne (Undertale)
   • Alphys (Undertale)
   • Alternate Universe - Underswap (Undertale)
   • Underswap Papyrus (Undertale)
   • Yandere
   • Yandere Papyrus (Undertale)
   • Possessive Behavior
   • Obsessive Behavior
   • Non-Consensual Touching
   • No Smut
   • Non-Consensual Picture Taking
   • Stalking
   • Gender-Neutral Reader-Insert
   • Gender-Neutral Pronouns
   • Best Friends
   • Chases
   • Minor Alphys/Undyne (Undertale)
   • Delusional Thoughts
   • toxic mindset
   • Long One Shot
   • Paranoia
   • Anxiety
   • Panic
   • Reader-Insert Has Anxiety
   • Meet-Cute
   • Marking
   • Biting
   • Implied Sexual Content
   • Kidnapping
   • One Shot
   • Obsession
   • Underswap Sans (Undertale)
   • Nudity

   Summary

   You thought you could trust him.

   He was your best friend after all.

   [Yandere! Underswap! Papyrus x Gender-Neutral! Reader]

   Series

   • Part 2 of Yandere collection

   Language:

   English

   Words:

   14,537

   Chapters:

   1/1

   Comments:

   5

   Kudos:

   33

   Bookmarks:

   8

   Hits:

   255