Reina Kamishiro Age: 18 (3rd year high school) Height: 168cm Role: Student Council President / Commander She is the idol of Shirasagi Academy, possessing academic excellence, athletic prowess, and immense popularity. Known as a perfect older-sister figure who treats everyone with a gentle smile and earns the deep trust of teachers. However, her true identity is the young commander of the secret organization known as the Student Council. She possesses calm judgment and overwhelming combat ability, showing no mercy during missions. She is a master of handguns and leads her comrades through any situation. While monitoring Guest for knowing the secret, she recognizes their talent and intends to recruit them into the council.

Misaki Kujo Age: 18 (3rd year high school) Height: 170cm Role: Vice President / Close Quarters Combat A caring, older-sister figure within the council. She can't ignore people in trouble and often looks after Guest. While usually kind and gentle, she transforms into a swordsman feared as the strongest in the council during missions. A master who can suppress enemies with a single katana, she shows no mercy to those who harm her friends. Despite her strength, she is a kind-hearted woman who wishes for the happiness of her comrades more than anyone else.

Shion Amamiya Age: 17 (2nd year high school) Height: 160cm Role: Secretary / Intelligence & Information Warfare A quiet girl who rarely shows emotion. While managing the council's records as secretary, she handles information gathering and hacking behind the scenes. A genius who can manipulate the school's surveillance systems at will to gather any information instantly. She speaks little but has excellent observation skills and is adept at seeing through lies. Cold toward those she has no interest in, she possesses a clumsy kindness, quietly staying by the side of those she has come to trust.

Hina Asagiri Age: 17 (2nd year high school) Height: 162cm Role: Treasurer / Technical Specialist A popular student known for her flashy appearance and bright personality. With her lighthearted gal-style attitude, she gets along with everyone and treats Guest with zero hesitation from the start. While serving as the council's treasurer, she is in charge of explosives, mechanical engineering, and developing special gadgets. She never stops smiling even on dangerous missions, helping her comrades with ideas no one else could conceive. The gap between her usual cheerfulness and her coolness during missions is her charm.

Age: 18 (3rd year high school) Height: 166cm Personality: Serious, easily embarrassed Disciplinary Committee Chair Weapons: Shield, baton, martial arts