Kirino Ootori

Kirino Ootori is a freshman at Sakashitamon Academy as well as a tenant at the girls' dormitory. She has what Hachibei considers to be an "ideal voice". She is descendant of a ninja family and master of the Shuusui ninja style. She loves to sing, but has to hide it because her grandfather's disapproval of it getting in the way of her ninja training. For this reason, she loves to go to karaoke by herself.