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.
Ikusu Mizutani
水谷衣楠
Kono Naka Ni Hitori, Imouto Ga Iru !
