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1. Public Bookmark 29

   In The Closet by Skelespoo

   Fandoms: Undertale (Video Game)  

   • Explicit
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   05 Dec 2016

   Tags

   • No Archive Warnings Apply
   • Papyrus/Sans
   • Underswap Papyrus - Character
   • Underswap Sans - Character
   • Accidental Voyeurism
   • Masturbation
   • Dirty Thoughts
   • Dirty Talk
   • NSFW
   • Fontcest
   • Swapcest - Freeform
   • ectodick
   • Ectovagina
   • ectotongue
   • Consensual Sex
   • Sibling Incest
   • Praise
   • Swearing

   Summary

   Papyrus is hankering for a smoke after his brother decides to force his hand in helping him quit smoking. Little did he realize that snooping around in Sans room would get himself into a fine pickle.

   Language:

   English

   Words:

   5,814

   Chapters:

   2/2

   Comments:

   12

   Kudos:

   290

   Bookmarks:

   29

   Hits:

   4,332

   Bookmarked by Pey0_0wig

   16 Dec 2025

   Bookmarker's Tags:

   • Swapcest