Save a cowboy, ride a horse - HiroJoji Uma Musume: Pretty Derby AU

Series Metadata

Listing Series

• Stamina training by Muupoo

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

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

  12 Oct 2025

  Tags

  • No Archive Warnings Apply
  • Kadota Hiromi/George Karizaki
  • Kadota Hiromi
  • George Karizaki
  • Well well well look what the cat dragged in this time... It's George Karizaki with horse ears
  • Alternate Universe - Uma Musume: Pretty Derby Fusion
  • You don't need to know anything abt umamusu to read this it's pure smut
  • Large Cock
  • Horse cock
  • (it’s not described in great detail aside from being huge if that makes a difference to you)
  • Belly Bulge
  • plain old fucking
  • Hiromi can be read as transmasc here bcs I wrote it kinda vague on purpose
  • Is this a workplace relationship if they have a trainer/trainee relationship?
  • Top George Karizaki
  • Bottom Kadota Hiromi

  Summary

  Karizaki suggested Hiromi to have sex as a form of stamina training.

  He really should've said no.

  [KRHR/狩田]

  Series

  • Part 1 of Save a cowboy, ride a horse - HiroJoji Uma Musume: Pretty Derby AU

  Language:

  English

  Words:

  3,335

  Chapters:

  1/1

  Kudos:

  15

  Bookmarks:

  1

  Hits:

  280

• The carrot and stick method by Muupoo

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

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

  24 Nov 2025

  Tags

  • No Archive Warnings Apply
  • Kadota Hiromi/George Karizaki
  • Kadota Hiromi
  • George Karizaki
  • Established (Sexual) Relationship
  • Direct continuation to previous work in the series
  • Uma!George
  • Some semblance of world-building just to set a stage for 10k words of smut
  • Trans Male Character
  • Hiromi is trans now and I think that's beautiful
  • Dry Humping
  • Tagging the most relevant things in advance so you can decide if that's your cup of tea
  • Horse cock
  • Large Cock
  • thigh fucking
  • Cunnilingus
  • Sex Toys
  • Dirty Talk
  • Penis in Vagina Sex
  • Belly Bulge
  • The first chapter is rated T after that it's all abroad the horse smut train
  • Alternate Universe - Uma Musume: Pretty Derby Fusion
  • Top George Karizaki
  • Bottom Kadota Hiromi

  Summary

  Hiromi denies Karizaki more sex as a form of stamina training, but rewarding him for good results is another thing entirely.

  [KRHR/狩田]

  Series

  • Part 2 of Save a cowboy, ride a horse - HiroJoji Uma Musume: Pretty Derby AU

  Language:

  English

  Words:

  11,554

  Chapters:

  3/3

  Comments:

  2

  Kudos:

  21

  Hits:

  543

• Unrestrained by Muupoo

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

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

  07 Jan 2026

  Tags

  • No Archive Warnings Apply
  • Kadota Hiromi/George Karizaki
  • Kadota Hiromi
  • George Karizaki
  • Established Relationship
  • Uma!George
  • Alternate Universe - Uma Musume: Pretty Derby Fusion
  • Trans Kadota Hiromi
  • Breeding Kink
  • with a capital B so pay mind before you read PLEASE!!!
  • Mentions of Pregnancy
  • (nobody gets pregnant though)
  • (it's dirty talk)
  • Penis in Vagina Sex
  • Horse cock
  • Large Cock
  • Really getting into that 'George is a horse' territory
  • Top George Karizaki
  • Bottom Kadota Hiromi

  Summary

  Hiromi agrees to reward George for good performance in races.

  George already has things planned out.

  [KRHR/狩田]

  Series

  • Part 3 of Save a cowboy, ride a horse - HiroJoji Uma Musume: Pretty Derby AU

  Language:

  English

  Words:

  6,370

  Chapters:

  1/2

  Comments:

  2

  Kudos:

  12

  Hits:

  255