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1. **Feelings in the Heat** by Xantall_Farwood

   Fandoms: Undertale (Video Game)  

   • Mature
   • No Archive Warnings Apply
   • F/M
   • Complete Work

   15 Jun 2016

   Tags

   • No Archive Warnings Apply
   • Underswap Papyrus/Reader
   • Papyrus/Reader
   • Papyrus (Undertale)
   • underswap! Papyrus
   • Sans (Undertale)
   • underswap! Sans
   • Mating Cycles/In Heat
   • Alternate Universe - Underswap
   • Nudity
   • Swearing
   • Smoking
   • Fluff and Smut
   • Shameless Smut

   Summary

   When Sans calls you in a panic that something is wrong with Papyrus. You of course go to fix it. Papyrus is a jerk but you can't let Sans continue to freak out.

   Series

   • Part 1 of Underswap! Papyrus Heat Saga

   Language:

   English

   Words:

   3,634

   Chapters:

   1/1

   Comments:

   14

   Kudos:

   546

   Bookmarks:

   44

   Hits:

   9,432