Kenkou

He has a cheerful and upbeat personality, and always tries to get Menhera to be social. He openly admits to liking Menhera, who describes him as "the middle ground [between Menhera and Byoujaku]" in terms of personality. Since Menhera and Byoujaku study from home, he brings them printouts of the schoolwork every day.

His name translates to "health".