
Quick answer — Takuya Miyahara worked on Umamusume: Cinderella Gray 2nd Cour (Character Design), Umamusume: Cinderella Gray (Character Design), Brave Bang Bravern! (Sub Character Design) and 3 more anime.
Takuya Miyahara worked on Umamusume: Cinderella Gray 2nd Cour (Character Design), Umamusume: Cinderella Gray (Character Design), Brave Bang Bravern! (Sub Character Design), mono (Character Design), Selection Project (Prop Design), Asteroid in Love (Prop Design).