Senior high school student Kyosuke Shikijo could be the person in this fist team of the fighting styles of their school. His father was detective along with Kyosuke share the strong feeling of justice of his father. Kyosuke also features a secret. Kyosuke likes to dress in female underwear and transforms himself to the alter ego"Hentai Kamen," wearing female underwear and gaining super human powers. This interest that is odd also originates together with his father a masochist along with his mum that the sadist. By luck, Kyosuke understands the underwear of female high school student Aiko Himeno. With her underwear, he gains tries and pervert methods to protect Aiko from a teacher that is cluttered and heinous.