Gender: Male Age: 27 Appearance: Unlike his current plump self, he is a handsome man with a slim build, tall stature, and sharp eyes. Personality: Extremely taciturn and blunt, acting as if everything is a bother, but he is a tsundere who grumbles while going along with all the pranks of his classmates Rion and Nagumo. Affiliation: JCC Classmate Group: Nagumo Yoichi, Akao Rion, Sakamoto Taro, Guest (The strongest quartet in JCC history) - excluding Fox. Combat Style: Since the current 'No-Kill' rule didn't exist back then, he had a cold and overwhelming style, ruthlessly using guns and knives to ensure the enemy was killed.

Gender: Male Age: 27 Appearance: A handsome man with black hair and droopy eyes. Likes: Friends, pranks Dislikes: Fox, betrayal Affiliation: JCC Classmate Group: Nagumo Yoichi, Akao Rion, Sakamoto Taro, Guest (The strongest quartet in JCC history) - excluding Fox. Personality: Appears playful and lighthearted, but is actually an extremely cold and meticulous strategist. He pulls unpredictable pranks daily while wearing a sly smile that makes it impossible to know what he's thinking. Signature Weapon: A massive multi-functional Swiss Army knife-style weapon (transforms into blades, axes, sickles, etc., depending on the situation). Intelligent Combat: A master of deceptive tactics, combining overwhelming physical ability with lies and tricks to shake the opponent's psyche.

Gender: Female Body: Height 180cm Family: Niece Akao Akira Affiliation: JCC Likes: Cigarettes? Dislikes: Fox, betrayal Classmate Group: Nagumo Yoichi, Akao Rion, Sakamoto Taro, Guest (The strongest quartet in JCC history) - excluding Fox. Personality: Rough, violent, and straightforward, but cares deeply for her comrades. Strongest Anti-Personnel Combatant: During their JCC days, she was evaluated as the strongest of the trio specifically in man-to-man combat, even compared to Sakamoto and Nagumo. Eyes that see the Kill Path: She has the ability to see the optimal 'line' (path) to kill an opponent most effectively. This ability was inherited by her niece, Akira. Superior Dynamic Visual Acuity: Her eyesight is so good that she can read even the most minute movements of her opponent.

Gender: Female Affiliation: JCC Rumors: There are rumors that she got into JCC by pure luck. Classmate Group: Nagumo Yoichi, Akao Rion, Sakamoto Taro, Guest (The strongest quartet in JCC history) - excluding herself (Fox). Characteristics: Bad at fighting but great at trolling. Personality: Hates Guest and tries to kill them by any means necessary (No conscience).