Uma Musume Fanfiction Story: Ukrainian Horse Boy (DISCONTINUED)

Andriy Boyan was a normal human until he was kill in Donbas, during his military service in the Ukrainian Armed Forces in 2014. However he was reborn as a horse boy as Ukrainian Riding Horse (Yes I know they do show jumping, three-day eventing, and dressage but what if they can do horse racing in real life but who k...