Momiji Ooka

Momiji Ooka is a second-year student at Kyoto Senshin High School and a champion of Hyakunin Isshu karuta. Formerly an elite Nagoro-kai member and the leading student of its founder Nagoro Shikao, she later joins the Satsuki-kai after Nagoro-kai disbands. Momiji also shows exceptional deductive ability and claims that Heiji Hattori proposed to her when they were children, leading her to expect a future romance with him.