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1. Swapping Stories by MsMK

   Fandoms: Undertale (Video Game)  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • F/M
   • Work in Progress

   20 Sep 2020

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Papyrus (Underswap)/Reader
   • Sans (Undertale)/Reader
   • Papyrus (Underswap)
   • Sans (Underswap)
   • W. D. Gaster
   • Gaster (Underswap)
   • OC - Character
   • Soulmates
   • US!Pap being a dummy
   • Underswap Papyrus
   • Big Brother Papyrus
   • Underswap Sans
   • Younger Brother Sans
   • Good Brother Sans
   • Friends to Lovers
   • SOUL Mechanics (Undertale)
   • UpperSwap
   • Ch 1 is a world where monsters were never underground
   • Smut
   • Fluff and Smut
   • Fluff
   • blowjob
   • Power Play
   • Stretch is almost always a smug asshole

   Summary

   Collection of One-shots featuring the Underswap brothers/cast of characters. (Stretch/Blue)

   -Why him? Well, the answer is simple.
   -It could never have been anyone else.

   Any smut or NSFW chapters will be marked with a * or ** depending on how graphic (first chapter is safe).

   Oneshots, drabbles, requests, gifts, or trades featuring Underswap characters will go here.
   

   Series

   • Part 4 of One-shot Collections

   Language:

   English

   Words:

   25,300

   Chapters:

   9/?

   Comments:

   118

   Kudos:

   587

   Bookmarks:

   74

   Hits:

   11,810