Otokaze (オトカゼ, Otokaze) is an elderly woman working as a housekeeper for the Utsumi household. She is very close to Koharu Utsumi, and treats her as a daughter. In truth, she is actually Kazene Mitsuba (三葉 風音, Mitsuba Kazene), the missing mother of idol singer Kotone Mitsuba. Her elder daughter, Kiyone, was murdered by the her employer and his adopted Ghoul children.