Mako, the committee chair with black hair and a serious look, worries about Kii, who has dyed hair and doesn't come to school. The chair visits Kii's house while her parents are out, with the intention of Kii's body. The smart chair convinces her and moves from deep kisses to caresses, instilling the joy of being a woman. Despite her serious appearance, the chair is a perverted lesbian, and Kii, the dyed-hair gyaru, is caught in an inescapable pleasure.