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1. In the Heat of the Moment by Hiruhami_Shuu

   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  

   • Explicit
   • No Archive Warnings Apply
   • F/F
   • Complete Work

   14 Feb 2026

   Tags

   • No Archive Warnings Apply
   • Sirius Symboli/Symboli Rudolf (Uma Musume)
   • Sirius Symboli (Uma Musume)
   • Symboli Rudolf (Uma Musume)
   • Smut
   • Shameless Smut
   • Top Symboli Rudolf (Uma Musume)
   • Bottom Sirius Symboli (Uma Musume)
   • Girl Penis
   • Anal Sex
   • Mating Cycles/In Heat
   • Mating Cycles/In Rut
   • stallions have dicks
   • Rough Sex
   • Come as Lube
   • Blow Jobs
   • author failed umamusume physiology class
   • no beta we die like the runs where you failed to cure slacker 3 times in a row

   Summary

   When Sirius Symboli started noticing the early signs of a rut creeping in, a peculiar request from Symboli Rudolf gave her a bright idea. Little did she know, she was going to get more than she bargained for, not that she'd mind.

   Language:

   English

   Words:

   5,316

   Chapters:

   1/1

   Comments:

   16

   Kudos:

   160

   Bookmarks:

   20

   Hits:

   2,853