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1. Horrible Saturday by BlazeOulm, Delightfully0

   Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime), ウマ娘 | Uma Musume - All Media Types  

   • Not Rated
   • Graphic Depictions Of Violence
   • F/F, Multi
   • Work in Progress

   10 Apr 2026

   Tags

   • Graphic Depictions Of Violence
   • Original Female Character(s) & Marvelous Sunday
   • Original Female Character(s)
   • Marvelous Sunday (Uma Musume)
   • Major Character Injury
   • HRT | Horse Replacement Therapy
   • Horsefem

   Summary

   When Marvelous Sunday does some magic, Marvelous Magic, on a day that isn't Sunday, things take a turn for the not-so-Marvelous. On a Horrible Saturday, what sorts of terrible things will occur when Marvy risks everything to save the person who believes in her the most.

   Language:

   English

   Words:

   187

   Chapters:

   1/?

   Comments:

   8

   Kudos:

   16

   Bookmarks:

   3

   Hits:

   218