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1. Works Every Time by MeGaLoTrash

   Fandoms: Undertale (Video Game)  

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

   01 Aug 2018

   Tags

   • No Archive Warnings Apply
   • Papyrus/Sans (Undertale)
   • Sans/Sans (Undertale)
   • Sans (Undertale)
   • Papyrus (Undertale)
   • Underfell Sans
   • Underfell Papyrus
   • Underswap Sans
   • Underswap Papyrus
   • Undertale Sans
   • Undertale Papyrus (mention)
   • Cherryberry - Freeform
   • Fellcest - Freeform
   • honeymustard - Freeform
   • kustard - Freeform
   • Basically everyone X uf! Sans
   • PWP
   • Multiple Pairings
   • Ectobiology
   • Full ectobody
   • Ass Play
   • Anal Sex
   • Anal Fingering
   • Rimming
   • ass worship
   • Oral Sex
   • Pining
   • Sexual Tension
   • Virgin Honey
   • Fight Sex
   • mild drug use
   • Smoking
   • Dry Humping
   • Frottage

   Summary

   Ok so this is a purethirst™ pwp mess with Red x everyone (ships in the tags) where they all just love his big butt. No joke. Blame THIS THING. This is what insanity looks like friends.

   Language:

   English

   Words:

   4,426

   Chapters:

   1/1

   Comments:

   16

   Kudos:

   234

   Bookmarks:

   21

   Hits:

   3,738