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1. Public Bookmark 87

   Not Into You by SadPersonYes

   Fandoms: Undertale (Video Game)  

   • Not Rated
   • Creator Chose Not To Use Archive Warnings
   • M/M, Multi
   • Work in Progress

   27 Apr 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Sans (Undertale)/Reader
   • Papyrus (Undertale)/Reader
   • Sans (Underfell)/Reader
   • Papyrus (underfell)/reader
   • Sans (Underswap)/Reader
   • Papyrus (Underswap)/Reader
   • Sans (Swapfell)/Reader
   • Papyrus (Swapfell)/Reader
   • Sans (Horrortale)/Reader
   • Papyrus (Horrortale)/Reader
   • Sans (Echotale)/Reader
   • Sans (Undertale)
   • Papyrus (Undertale)
   • Sans (Underfell)
   • Papyrus (Underfell)
   • Sans (Underswap)
   • Papyrus (Underswap)
   • Babybones Sans - Character
   • Babybones Papyrus - Character
   • Echo!Tale Sans
   • Sans (Horrortale)
   • Papyrus (horrortale)
   • Sans(swapfell)
   • Papyrus(swapfell)
   • male reader - Freeform
   • Reader is AMAB
   • Incredible Fluff
   • Domestic Fluff
   • Fluff and Humor
   • Angst and Hurt/Comfort
   • reader is gay af
   • the babybones are NOT romantic interests
   • Slow Burn
   • Fast Burn
   • lot of angst
   • mentions of trauma
   • Dysfunctional Family
   • Dysfunctional Relationships
   • post-underground
   • Implied/Referenced Homophobia
   • Reverse Harem
   • Developing Relationship
   • Touch-Starved

   Summary

   Sans chooses you as the new babysitter for his two baby brothers and you come living with him and his cousins.

   Oh and there’s another one.

   Oh and they have a girlfriend.

   Oh and-…oh, it’s THAT type of relationship, huh?

   Language:

   English

   Words:

   36,219

   Chapters:

   11/?

   Comments:

   204

   Kudos:

   369

   Bookmarks:

   87

   Hits:

   7,113

   Bookmarked by lovesickzombie

   20 May 2025