Ikusu Mizutani

Оригінальне ім’я: 水谷衣楠

A girl who crossdresses as a boy, and belongs to the Seiryuu Association, a secret agency that deals with the problems of Mikadono Group. She also aims to be a modern-day ninja, and because of being a ninja, she has to expose her skin everyday for specific period of time, to become with the atmosphere and eliminate her presence.