Hidetoshi Sakamoto

Hidetoshi Sakamoto (坂本 英季 Sakamoto Hidetoshi) is the husband of Nanami and the father of Harumi, Natsuru, Akira and Fuyuki. He looks about as old to be his children's brother, despite him really being 42 years old. He works as a technician.

Etymology

 * The name Hidetoshi means "excellent, fine" (英) (hide) and "season" (季) (toshi).
 * Hidetoshi's surname Sakamoto means "slope, hill" (坂) (saka) and "base, root, origin, source" (本) (moto).