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1. A Culmination of Research by Juunimeta

   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)  

   • Explicit
   • No Archive Warnings Apply
   • F/F
   • Work in Progress

   26 Feb 2026

   Tags

   • No Archive Warnings Apply
   • Gold City/OC (Uma Musume)
   • Minor or Background Relationship(s)
   • Nakayama Festa/Tosen Jordan (Uma Musume)
   • Gold City (Uma Musume)
   • Agnes Tachyon (Uma Musume)
   • Original Female Character(s)
   • Agnes Digital (Uma Musume)
   • Nakayama Festa (Uma Musume)
   • Narita Brian (Uma Musume)
   • Biwa Hayahide (Uma Musume)
   • Tosen Jordan (Uma Musume)
   • Manhattan Cafe (Uma Musume)
   • Mr CB (Uma Musume)
   • Trans Female Character
   • The Smut will be earned by the narrative
   • Horsefem
   • Canon timeline stuff will be shaky
   • Self-Indulgent
   • Characters listed will be introduced along the way
   • Dysphoria
   • Mild Angst
   • Praise Kink
   • Girl Penis

   Summary

   Mirrored Winds. An Umamusume of her own making. Previously a PhD student, she devised a way to turn into what she longed to be. Now enrolled in Tracen, many eyes watch a curiosity case with fascination, while also getting her into many silly antics.

   Language:

   English

   Words:

   34,756

   Chapters:

   11/?

   Comments:

   91

   Kudos:

   84

   Bookmarks:

   13

   Hits:

   2,569