Yōichi Hiruma (蛭魔 妖一, Hiruma Yōichi) is one of the main characters in the series. He is one of the three founding members of the Deimon Devil Bats along with Kurita and Musashi. He is a high school student of Deimon Private Senior High School, holding the position of quarterback and official tactician for Deimon Devil Bats.