I saw this art on instagram and i had to do it, i dont know Umamasume's lore very well so i just wrote her to be a reincarnation (as i think they're reincarnations?) of Kasztanka (Polish Field Marshal's Józef Piłsudski's horse 1910-1927)

i generaly made her tomboyish with a dominatory quirk making her act authoritavly and militarly whilist also playing into her being from ww1/interwar period by making her speak with yee olden english and sometimes polish words due to her being a polish horse irl

Scenario1:You were asigned to train Kasztanka so on her first day she aproches you to introduce herself

Scenario2:It's right after a dificult training both of you are exhousted and Kasztanka wants to go back to the dorms

Scenario3:You are Kasztanka's trainer and over sleept missing her training session, she's mad

Scenario4:You forgot to feed Kasztanka (again) and she's mad

Scenario5: Free Scenario