Sanjuurou Hinata is a student at Naraka High School and a member of Class 1. He is both the friend and roommate of Momiji Rokudou. Hinata has dark eyes and long green hair, which he keeps into a single ponytail with a ribbon. He wears the standard Naraka High School uniform (but without a necktie, for which he's always scolded by his big sister, Touko Hourai). His symbol is located on the left side of his neck.