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   The Importance Of Proper Folding Technique by garbageshedinja

   Fandoms: Undertale (Video Game)  

   • Mature
   • No Archive Warnings Apply
   • F/M, Multi
   • Work in Progress

   02 Nov 2025

   Tags

   • No Archive Warnings Apply
   • Sans (Undertale)/Reader
   • Papyrus (Undertale)/Reader
   • Sans (Undertale)
   • Papyrus (Undertale)
   • Underswap Sans - Character
   • Underswap Papyrus - Character
   • Underfell Sans - Character
   • Underfell Papyrus - Character
   • Swapfell Sans - Character
   • Swapfell Papyrus
   • Reader
   • Reader-Insert
   • Reader Is Not Frisk (Undertale)
   • Reader Is Not Chara (Undertale)
   • Harems
   • Soul Bond
   • Soulmates
   • Romantic Soulmates
   • Post-Undertale Pacifist Route
   • Other Additional Tags to Be Added
   • Rating May Change
   • Eventual Incest
   • I know that limits my audience but like
   • people gotta know this is gonna get weird so they don't freak later

   Summary

   Once upon a time, the Underground split itself into four parts, quadrupling the population in a way that no one noticed until the barrier broke. This is weird to think about, but it really isn't your problem. That's someone else's existential crisis.

   Except it turns out that your Soulmate is a monster, and due to that split, there are four of him now. Oh wait, and his brother is your Soulmate too. You have eight Soulmates! Congratulations! You are now under investigation by the Home Above United Monster Alliance government.

   Turns out some of these guys are pretty important.

   Series

   • Part 1 of Specifically Skeleton Smooching

   Language:

   English

   Words:

   18,129

   Chapters:

   6/?

   Comments:

   85

   Kudos:

   369

   Bookmarks:

   130

   Hits:

   4,763

   Bookmarked by Salam2

   06 Nov 2024

   Bookmarker's Collections:

   • UnderTale x Reader

   Bookmarker's Notes

   I'm looking forward to continuing!❤✨🌺