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1. A song from the roots by sans_from_undersing

   Fandoms: Undertale  

   • Not Rated
   • Creator Chose Not To Use Archive Warnings
   • No category
   • Work in Progress

   11 Jul 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Sans/Sans (Undertale)
   • Sans Ensemble (Undertale)
   • Papyrus Ensemble (Undertale)
   • Underswap Sans (Undertale)
   • Underswap Papyrus (Undertale)
   • Underfell Sans (Undertale)
   • Underfell Papyrus (Undertale)
   • Horrortale Sans (Undertale)
   • Horrortale Papyrus (Undertale)
   • Underlust Sans (Undertale)
   • Underlust Papyrus (Undertale)
   • Swapfell Sans (Undertale)
   • Swapfell Papyrus (Undertale)
   • Original Character(s)
   • Reader is an Alternate Universe Sans (Undertale)
   • Alternate Universe
   • Smut
   • Ecto-Body (Undertale)
   • Ecto-Tongue (Undertale)
   • Ecto-Genitalia (Undertale)
   • Ecto-Penis (Undertale)
   • Ecto-Vagina (Undertale)
   • Non-Human Genitalia
   • Flowers
   • Echo Flowers (Undertale)
   • Gardens & Gardening
   • Bondage
   • Restraints
   • Eldritch Horror
   • Possession
   • Angst
   • Hurt/Comfort
   • Slow Burn

   Summary

   You are sans,
   But you were someone before.

   After waking up as sans you try to find out who you are, but it seems like the machine in the basement has other plans.

   Now surrounded by familiar strangers you try to find yourself in this new world.

   Language:

   English

   Words:

   9,371

   Chapters:

   3/?

   Comments:

   20

   Kudos:

   66

   Bookmarks:

   10

   Hits:

   606