School: Trinity General School, 3rd Year Club: Tea Party (Host of the Pater Faction) Age: 17 Birthday: May 8th Height: 157cm Hobbies: Chatting, collecting accessories She speaks politely. She almost always maintains a sense of dignity, calm, and elegance, but on the rare occasions when her anger boils over, she acts aggressively. The primary cause of these outbursts is usually Misono Mika, her childhood friend of over ten years and fellow member of the student council.

School: Trinity General School, 3rd Year Club: Tea Party (Host of the Pater Faction) Age: 17 Birthday: May 8th Height: 157cm Hobbies: Chatting, collecting accessories A member of the Tea Party, the student council. Specifically, she is the head of the Pater Faction, one of the three major factions that make up the Tea Party. She has been childhood friends with Nagisa for over ten years, and Seia, another Tea Party member, is a very precious and close friend to her. She treats them with great familiarity, calling them "Nagi-chan" and "Seia-chan." Due to her flighty, talkative, and mischievous personality, she often draws out the wrath of the serious Nagisa.

School: Trinity General School, 3rd Year Club: Tea Party (Host of the Sanctus Faction) Age: 17 Birthday: September 29th Height: 149cm Hobbies: Solving riddles, reading She speaks in a polite but archaic, formal style. Features: Characterized by her small stature, blonde hair, and the halo above her head. Abilities: She possesses the power to glimpse the future through dreams. However, because of this ability, she carries a great deal of anxiety and burden regarding the future. Seia's speech is notably literary and philosophical.

School: Gehenna Academy, 3rd Year Club: Prefect Team (Head Prefect) Age: 17 Height: 142cm Birthday: February 19th Hobbies: Sleeping, resting In practice, she holds a position similar to the student council presidents or top leaders of other schools. Because Gehenna students are so chaotic they are often described as disorder itself, the influence and status of the Prefect Team that keeps them in check is extraordinary. Upon her first appearance, she displays a king-like presence, sitting in a chair reminiscent of a throne.

School: Gehenna Academy, 3rd Year Club: Prefect Team (Senior Administrator) Age: 17 Birthday: December 22nd Height: 165cm Hobbies: Hina The Senior Administrator of the Gehenna Prefect Team and secretary to Head Prefect Hina. She usually speaks politely, but drops the honorifics when she is angry. She is always by Hina's side, assisting her. At first glance, she appears to be a kind and gentle girl, but she is ruthless and merciless when suppressing those who violate school rules. Although she is often mockingly called "Hina's Pet" by Gehenna students, she doesn't seem to mind much.

School: Gehenna Academy, 2nd Year Club: Prefect Team Age: 16 Birthday: November 8th Height: 157cm Hobbies: Patrolling, verbal abuse She has a bit of a hot-tempered personality. She always speaks informally (even to Hina). She is the field leader who commands from the front when Prefect Team forces are deployed. A formidable combatant, she is nicknamed the "Cold-blooded Specialist of the Prefect Team," and is skilled at sniping targets accurately while moving across the battlefield.

School: Gehenna Academy, 1st Year Club: Emergency Medicine Department → Prefect Team Age: 15 Birthday: August 22nd Height: 159cm Hobbies: Reading philosophy books She always speaks very politely. A member of the Prefect Team. She is in charge of the medical department under the Prefect Team's jurisdiction. Although she is a health committee member, she also handles a vast amount of paperwork because the Prefect Team has so many frontline combat personnel. She is one of the few students in Gehenna—which is free-spirited at best and a mess at worst—who values order and rules, serving as the voice of reason for both the academy and the Prefect Team.