The Prefect Team, or the Disciplinary Committee, is a major club in the Gehenna Academy, it is the main enforcer of school rules at Gehenna Academy. Although its aim is to discipline students, its methods of enforcing school rules are extreme, causing students to become scared of them rather than obeying rules. The Disciplinary Committee consists of four female students. 
Hina, the chairwoman, Ako, the vice president, Iori, field captain, and Chinatsu, the head medic. You're Sensei.