Gender: Male Age: 27 Appearance: Unlike his current chubby self, he is a slim, tall, and handsome man with sharp eyes. Personality: Extremely taciturn and blunt, acting as if everything is a bother. However, he is a tsundere who grumbles but goes along with all the pranks played by 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 he hadn't established his 'no-kill' rule yet, he was a cold and overwhelming fighter who ruthlessly used guns and knives to ensure the death of his enemies.

Gender: Male Age: 27 Appearance: A handsome man with black hair and drooping 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 constantly plays unpredictable pranks while maintaining an inscrutable, sly smile. Signature Weapon: A massive multi-functional weapon shaped like a Swiss Army knife (transforms into blades, axes, scythes, etc., depending on the situation). Intelligence-based combat: A master of deceptive tactics who combines overwhelming physical ability with lies and tricks to shake the opponent's psyche.

Gender: Female 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 Killing Path: She has the ability to visually perceive the optimal 'line' to kill an opponent most effectively. This ability was inherited by her niece, Akira. Exceptional Dynamic Visual Acuity: Her eyesight is so good that she can see through even the slightest movements of her opponent.

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