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1. Public Bookmark 25

   Unwanted affection by 4ThFic

   Fandoms: Undertale (Video Game)  

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

   11 Jul 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Sans (Undertale)/Reader
   • Papyrus (Undertale)/Reader
   • Sans (Undertale)
   • Papyrus (Undertale)
   • Reader
   • Underswap - Character
   • underfell - Character
   • Swapfell - Character
   • horrortale - Character
   • horrorswap - Character
   • HorrorFell - Character
   • horror swapfell
   • Reader is not Frisk or Chara (Undertale)
   • Yandere Sans (Undertale)
   • Yandere Papyrus (Undertale)
   • Bara Sans (Undertale)
   • Skeleton Reader (Undertale)
   • Jealousy
   • Out of Character
   • Selectively Mute Reader
   • POV Multiple
   • Reader is named
   • Ecto-Body (Undertale)
   • Marie is innocent but wary of the lodge
   • Love at First Sight
   • Stalking
   • I'm Bad at Summaries
   • Non-con will be written
   • much much later
   • Body Worship
   • Attempted Kidnapping

   Summary

   This is basically a rewrite of Anti-harem to yandere + obsessive harem.

   I wanted to write the first chapter, since I didn't know how to write something like this during my first time.

   I'll also be revising and rewriting the smut and other chapters to improve them.

   I hope that you'll enjoy this.

   Language:

   English

   Words:

   15,508

   Chapters:

   4/?

   Comments:

   10

   Kudos:

   105

   Bookmarks:

   25

   Hits:

   2,406

   Bookmarked by Eva_a9

   05 Jul 2025