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1. Good Guinea Pig by GrandLeviathan

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

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

   24 Oct 2025

   Tags

   • No Archive Warnings Apply
   • Agnes Tachyon/Reader (Uma Musume)
   • Reader
   • Agnes Tachyon (Uma Musume)
   • Smut
   • Consensual Sex
   • Teasing
   • Flirting
   • Romance
   • Drug Use
   • Aphrodisiacs
   • Truth Serum
   • Dirty Talk
   • Hand Jobs
   • Vaginal Sex
   • Creampie
   • Multiple Orgasms
   • First Time
   • Impregnation
   • Halloween
   • Halloween Costumes
   • Halloween Smut
   • Femdom
   • BDSM
   • Bondage
   • Glove Kink
   • Gloves
   • Glove Jobs
   • POV Second Person

   Summary

   Returning after a tiring string of exams and meeting with sponsors, some rest and relaxation was at the forefront of your mind.

   Agnes Tachyon was more than happy to give you that. Just... with her own little spin on it.

   Language:

   English

   Words:

   6,356

   Chapters:

   1/1

   Comments:

   23

   Kudos:

   119

   Bookmarks:

   45

   Hits:

   6,302