Uma Musume: A Trainer's Life from Zero

[Fan Fiction] [Oguri Cap] [Real Horse] [Uma Musume Fan Fiction] [Slow Burn]

A young man arrives in Kasamatsu for various reasons. There, he meets the “gray Cinderella,” a horse girl one could encounter only once in a lifetime. When he decides to head for the Central region, he resolves to train her into a world-class Uma Musume. But how does training her end up with the two of them in bed?

I’m not good at writing introductions, so please give the story itself a try.