Kazene Mitsuba

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, the missing mother of idol singer Kotone Mitsuba. Her elder daughter, Kiyone, was murdered by the her employer and his adopted Ghoul children.