Hiroshige Ushijima attends Ikai High School as a classmate of Ouri Kagami, Sumitori, and Mizuki. He displays a recurring fixation on female students, most notably targeting Nozomi Kasuga because of her large bust size. This attention results in Nozomi frequently being called "Omune-sama" or "Breast Goddess." Hiroshige possesses brown hair and black eyes. He is human and holds no affiliation with any organizations or groups shown within the narrative. Hiroshige does not use weapons and remains alive throughout all depicted events in official media, including seasons, films, OVAs, and spin-offs.