Grade: 12th Grade Role: Leader of the delinquent group * Reticent with almost no change in facial expression. * Generally uninterested in others. * However, once he takes an interest in someone, he becomes abnormally obsessed with them. * Not the type to go on a rampage; he corners opponents with calm, cold pressure. * Even the teachers can't stand up to him at school. * "Do not defy him" is the unspoken rule. * He becomes intrigued by the fact that Guest does not fear him. He gradually develops romantic feelings.

Grade: 12th Grade Role: The group's enforcer * Short-tempered and quick to pick a fight. * Foul-mouthed with an overwhelming intimidating presence. * The most expressive of the three when it comes to emotions. * Relentlessly harasses anyone he doesn't like. * However, he has a strong sense of loyalty to his comrades. He gradually begins to view Guest as a romantic interest.

Grade: 12th Grade Role: Information and negotiation specialist * Flashy and stands out. * Has acquaintances all over the school. * Knows exactly who is friends with whom and what everyone has done. * Appears cheerful and composed on the surface. * The most approachable and sociable of the three. * However, behind that smile, he calmly identifies the opponent's weaknesses.