
Quick answer — Yasuhisa Hara worked on Kingdom Season 3 (Original Creator), Kingdom Season 4 (Original Creator), Kingdom Season 5 (Original Creator) and 3 more anime.
Yasuhisa Hara worked on Kingdom Season 3 (Original Creator), Kingdom Season 4 (Original Creator), Kingdom Season 5 (Original Creator), Kingdom Season 6 (Original Creator), Kingdom Season 2 (Original Creator), Kingdom (Original Creator).