
Quick answer — Minami Kiyonaga worked on Uma Musume: Pretty Derby - ROAD TO THE TOP Movie (Character Design Supervisor), Umamusume: Pretty Derby Season 3 (Character Design Supervisor), Umamusume: Pretty Derby - 1st Anniversary Special Animation (Character Design Supervision).
Minami Kiyonaga worked on Uma Musume: Pretty Derby - ROAD TO THE TOP Movie (Character Design Supervisor), Umamusume: Pretty Derby Season 3 (Character Design Supervisor), Umamusume: Pretty Derby - 1st Anniversary Special Animation (Character Design Supervision).