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1. Just Friends! by WhoaWickedSins

   Fandoms: Undertale (Video Game), Underswap (Fandom)  

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

   19 Apr 2017

   Tags

   • No Archive Warnings Apply
   • Sans (Undertale)/Reader
   • Sans (Underswap)/Reader
   • Blueberry/Reader
   • Sans (Undertale)
   • Sans (Underswap)
   • Papyrus (Undertale)
   • Papyrus (Underswap)
   • Blueberry Sans - Freeform
   • Female Reader
   • Reader has dyed her hair Marilyn Monroe blonde
   • POV First Person
   • Just cuz I like writing in first person
   • Accidental Voyeurism
   • Attempted Seduction
   • Smut
   • Just... just smut.
   • Blueberry is a mature adult
   • With childish tendencies
   • but like
   • Who among us ISN'T?
   • Dom! Blueberry
   • One Shot Collection
   • But they're all related
   • Possessive! Papyrus
   • Big Brother Sans
   • lewdberry
   • Masturbation
   • Vaginal Fingering
   • Sans Has Issues
   • But like... sexy issues
   • Explicit Language
   • Explicit Sexual Content
   • once again
   • just SHAMELESS SMUT
   • Voyeurism
   • Exhibitionism
   • Semi-Public Sex
   • First Time
   • Dirty Talk
   • Bad Puns
   • Bad Decisions
   • BAD TIME
   • Jealous! Sans
   • Mating Cycles/In Heat
   • Menstruation Kink
   • Papyrus is a dick
   • Okay there's some fluff in here too
   • Fluff
   • Sans is super sweet
   • But also the spawn of satan
   • Face-Sitting
   • Praise Kink
   • Double Penetration
   • Anal Sex
   • Threesome - F/M/M
   • Falling In Love

   Summary

   [Swap! Sans Smut Collection. Every chapter has a new little kink or two, listed under the chapter summary.]

   Blueberry wants to fuck, and he wants to fuck a lot. Little brother Papyrus is onto your diabolical scheme to seduce his brother. Can you keep up with Sans while trying to hide your relationship from Papyrus? Good luck, kid. You're gonna need it.

   Completed April 19, 2017!

   Language:

   English

   Words:

   85,186

   Chapters:

   11/11

   Comments:

   298

   Kudos:

   1,767

   Bookmarks:

   289

   Hits:

   40,687