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1. Formula R by Night_Watch_Morgan

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

   • Explicit
   • Creator Chose Not To Use Archive Warnings, Graphic Depictions Of Violence
   • F/F
   • Work in Progress

   04 Nov 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Graphic Depictions Of Violence
   • Maruzensky/Symboli Rudolf (Umamusume)
   • Maruzensky (Uma Musume)
   • Symboli Rudolf (Uma Musume)
   • Air Groove (Uma Musume)
   • Tazuna Hayakawa (Uma Musume)
   • original supporting characters
   • Sex
   • Hyperfixations to escape your feelings
   • Reckless Driving
   • Street Racing
   • Yearning
   • Near Death Experiences
   • Eurobeat
   • Lesbian Sex
   • Mildly Dubious Consent
   • Girls Kissing
   • Angst
   • Pre-Canon
   • Blood and Injury
   • Smoking
   • Hurt/Comfort
   • Bad Decisions
   • Everyone Is Gay

   Summary

   Prologue for Maruzensky and Rudolf's complicated history before the game/anime.

   Language:

   English

   Words:

   18,568

   Chapters:

   8/10

   Comments:

   56

   Kudos:

   203

   Bookmarks:

   31

   Hits:

   4,724