Kai Musashisakai

武蔵境 塊
A secondyear at Sakaneko High School and a member of the anime research club. He likes action anime centering on supernatural powers. People tend to stay away from him due to his delusions of grandeur and frequent usage of lines used by action anime protagonists. He is frequently called Kaikai by those who know him even though he hates that name. Ever since Kouki ignored Kais questionable conduct to talk to him he has been good friends with him. Source: Official site ANN