Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. Familiar Faces by Sinsational (Suukarin)

   Fandoms: Undertale (Video Game)  

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

   02 Aug 2017

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Papyrus/Sans (Undertale)
   • Sans (Undertale)
   • Muffet (Undertale)
   • Papyrus (Undertale)
   • Alphys (Undertale)
   • Undyne (Undertale)
   • Underswap Papyrus
   • Alternate Universe - Underswap
   • References to Undertale Genocide Route
   • Sans Remembers Resets
   • Sans resets the timeline
   • It ends very poorly for him
   • Underswap Muffet
   • Underswap Alphys - Freeform
   • Underswap Undyne - Freeform
   • Suicide Attempt
   • Slow Build
   • HoneyKetchup
   • underswap papyrus/undertale sans
   • Drunk Sex
   • Dry Humping
   • Sensitive bones
   • Underswap Sans
   • Ecto-Penis (Undertale)
   • Ecto-Genitalia (Undertale)
   • Ecto-Vagina (Undertale)
   • Oops

   Summary

   Just reset the timeline and protect his brother from the human -- that's all Sans asked for. How hard could that be?

   Evidently, Sans realizes as he stares into the face of a familiar stranger, harder than he thought.
   (Cover in Chapter One is credited to Buttercupsticks on Tumblr)

   Arc I: Saudade (Chapters 1-11)
   Arc II: Acclimation (Chapters 12-17)
   Arc III: (Re)Connections (Chapters 18-)

   Series

   • Part 1 of Brotherswap

   Language:

   English

   Words:

   67,238

   Chapters:

   22/?

   Comments:

   191

   Kudos:

   754

   Bookmarks:

   114

   Hits:

   14,762