sentences:  His actions include either attacking various groups of students with his lackeys - his sister Yurika, Momo, and a brainwashed Daigo - or having them do his dirty work for him.At a certain point, Kurow unveils himself as the mastermind behind the recent upheaval among the schools.He explains that he is sent by the ninja clan the Imawano family was a part of to assassinate Batsu, Raizo, Kyosuke, and Hyo.