He is a member of Chikyuu Bouei Gumi in Hinobori Gakuen's 5-3.

Hiroshi is in charge of Chikyuu Bouei Gumi's vice commandant and Raijin-oh's various weapon safety management and Bakuryu-oh's subpilot.

He is chairperson boy. He also has obstinate, inflexible respect.

Hiroshi is the moderates basically, but he occasionally fights with Jin.

He is doing the unrequited love to Cookie (Kuriki Youko) who's the childhood friend from kindergarten.