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1. "if you're me, how come you're not a beta like me?" by dustsanses

   Fandoms: Undertale (Video Game)  

   • Explicit
   • No Archive Warnings Apply
   • M/M
   • Work in Progress

   02 Jul 2025

   Tags

   • No Archive Warnings Apply
   • Sans/Sans (Undertale)
   • endgame anyway
   • Nightmare (Dreamtale) - Freeform
   • Killer (Killertale) - Freeform
   • Dust (Dusttale) - Freeform
   • Horror (Horrortale) - Freeform
   • Cross (X-tale) - Freeform
   • Alpha/Beta/Omega Dynamics
   • Non-Traditional Alpha/Beta/Omega Dynamics
   • ABOX AU
   • bad sans poly - Freeform
   • Explicit Sexual Content
   • Vaginal Sex
   • Ecto-Genitalia (Undertale)
   • Mating Cycles/In Heat
   • Power Bottom
   • oops more dialogue than sex
   • Dustmare - Freeform
   • Identity Issues
   • Nesting
   • Praise Kink
   • Pampering
   • cumflation
   • Knotting
   • Cuddling & Snuggling
   • Fivesome - M/M/M/M/M
   • Double Penetration in One Hole
   • Mating Bites
   • oops all claimed now

   Summary

   or alternatively, five versions of the same person, all of them completely different, accidentally making a pack.

    

   (a non-conventional Bad Sans poly A/B/O AU)

   Language:

   English

   Words:

   16,266

   Chapters:

   6/?

   Comments:

   83

   Kudos:

   893

   Bookmarks:

   111

   Hits:

   13,891