Mihoko (ミホコ(みほこ) Mihoko) is a former member of the Light Music Club of Sakuragaoka High School. In Teacher!, Keisuke and her are planning to get married and want Death Devil to perform at the wedding as she is an old friend of Sawako Yamanaka and the rest of the band. She was elated when Sawako finally decided to play for her. In Visit!, she visits Sawako at home with Norimi Kawaguchi, Kawakami and Della after she heard Sawako became ill.