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1. Just Your Luck by absurdmagewrites

   Fandoms: Undertale (Video Game), Underfell - Fandom  

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

   04 Oct 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Sans (Undertale)/Reader
   • Sans (Undertale)
   • Papyrus (Undertale)
   • Grillby (Undertale)
   • Alternate Universe - Underfell (Undertale)
   • Soulmates
   • Alternate Universe - Soulmates
   • Reader/Underfell Sans (Undertale)
   • Reader Is Not Frisk (Undertale)
   • Reader Is Not Chara (Undertale)
   • Reader-Insert Has a Name
   • Feminine pronouns
   • Female Reader-Insert
   • Angst and Fluff and Smut
   • Fluff
   • Angst
   • Eventual Smut
   • Strangers to Friends to Lovers
   • healing from loss
   • Survivor Guilt
   • Drama
   • Swearing
   • lots of swearing
   • Misunderstandings
   • Healing
   • Family Loss
   • Other Additional Tags to Be Added

   Summary

   You've never felt like you were a very lucky person. Bad things just seem to happen to you, and it probably didn't help that you're so socially awkward. After stumbling upon a wallet lying in the street, you figured you would do a good deed by returning it to its owner. You just never expected to come face to face with your soulmate by doing so. The one person who is destined to be your perfect match.

   It's just your luck that your father is currently arranging your marriage, isn't it?

   Language:

   English

   Words:

   43,334

   Chapters:

   8/?

   Comments:

   45

   Kudos:

   186

   Bookmarks:

   40

   Hits:

   3,165