Kokoro-Sensei's Umamusume Shorts (Doujinshi)

Chapter 7: Opera, Her Trainer, Ayabe, And Her Competitive Trainer
Chapter 6.5: Manga About What I Want To Happen After The Official 1-Koma
Chapter 8: Admire Vega And Doto
Chapter 6.5: Manga About What I Want To Happen After The Official 1-Koma
Chapter 8: Admire Vega And Doto
A series of short Umamusume comics made by (https://twitter.com/k0koro_091), mostly featuring Admire Vega and her relationship with her assigned trainer.