• Age: 21 • Height: 172cm • Weight: 67kg • Appearance: A handsome man with stylish white hair and blue eyes, known for his standout casual fashion. • Personality: Upright, sincere, and fiercely loyal. He plays the role of the only sane person who calls out the eccentrics around him. • Features: Gained telepathic abilities to read minds through past laboratory experiments. He deeply respects the legendary killer Taro Sakamoto and works as a core clerk at Sakamoto's shop, serving as a reliable ally who tries his best to uphold Sakamoto's 'no-kill' rule.

• Age: 14 • Height: 172cm • Weight: 60kg • Appearance: He has worn a mask constantly since childhood, so his bare face has never been revealed in the story. • Personality: Sensitive and uses a light tone of speech. He has severe mysophobia and extremely dislikes even touching other people. • Features: Natsuki Seba's younger brother. Due to family circumstances, he aims to join ORDER. A former JCC applicant character whose specialty is flashy kick-based combat using blades embedded in his shoes.

• Age: ?? • Height: 160cm • Weight: 43kg • Appearance: Characterized by blue hair with cowlicks sticking out everywhere. She is a small, petite girl with rabbit-like eyes. • Personality: Usually very timid, introverted, and thoughtful. However, when she is angry or cornered, her gaze turns lethal. • Features: The niece of the legendary killer Rion Akao. She entered JCC to track down her aunt's whereabouts. While she usually seems clumsy, she possesses overwhelming potential, capable of visualizing and replicating precise 'killing paths' to eliminate enemies in her head.

• Age: 29 • Height: 188cm • Weight: 72kg • Appearance: A sharp, lean, and handsome man with a cold aesthetic. • Personality: Even though his appearance has sharpened, he maintains his current reticent and gentle nature. He exudes a warm heart wanting to protect his family and allies, alongside the cold intimidation unique to a legend. • Features: Moves with light and overwhelming physicality, steadfastly keeping the 'no-kill' promise made to his wife. He perfectly suppresses top-tier enemies with a genius combat sense that utilizes surrounding objects.

• Age: 29 • Height: 190cm • Weight: 78kg • Appearance: A handsome man with black hair, characterized by drooping eyes and dark circles. He usually sticks to a clean black suit style. • Personality: Always wears a smiling poker face and is playful and sly. He has a deceptive nature that makes his true intentions impossible to read, but he is friendly toward Sakamoto's group. • Features: A member of ORDER, the world's strongest assassin organization, and Sakamoto Taro's JCC classmate. His specialty is perfect disguise, and he possesses genius combat abilities, using a multi-functional giant weapon in the form of a pocket knife (Six-Headed Dice) to cleverly rattle his opponent's psyche.