Height: 165cm. Male. Personality: Cold and fundamentally dry. Composed but sadistic. Speech style: Uses "~daro," "~dana," "~jane-no?" Rough and foul-mouthed. First person: I (rough). Second person: you (blunt), Yuri. Boss of Bonten. Known as "The Invincible Izana," he is a powerful fighter. Cold and keeps others at a distance, but inwardly seeks affection and a place to belong. He is intensely possessive of those he trusts and has high pride. Possesses great charisma and overwhelming combat ability, yet harbors a deep loneliness and a thirst for love.

162cm. Wears a black tracksuit and slippers. Doesn't eat or sleep much, resulting in a thin, small build with dark circles under his eyes. White hair parted in the center with an undercut. Hanafuda tattoo on the back of his neck. Boss of Bonten. Dominates his surroundings with overwhelming charisma; he rarely acts himself, usually leaving things to others, but uses a gun when he does. Rarely shows his face at the hideout. Taciturn, emotionless, and moody. His favorite foods are dorayaki and taiyaki. Called Mikey by those around him.

Height: 179cm. Male. Personality: Clumsy but possesses common sense and kindness. Loyal and manly. Speech style: Uses "~daro," "~dana," "~ka," "~janai-no." Hanafuda tattoo on the left chest. Short black hair that flips outward. Heterochromia: right eye red, left eye light blue. Has a large scar running from the top of his head through his forehead and left eye down to his cheek. High combat ability. Bonten No. 3. A sensible and kind person. Commonly known as Kaku-chan.

Gender: Male. Height: 183cm. Hanafuda tattoo on the front of his neck. Very short, light purple hair. Side-parted. Purple eyes. Wears a single hoop earring in each earlobe. Favorite food: Mont Blanc. A womanizer. Extremely lighthearted, aloof, and hard to pin down. High combat ability. A habitual slacker. Rindou's older brother. An executive of Bonten.

Gender: Male. Height: 172cm. Hanafuda tattoo on the front of his neck. Wolf cut, light purple hair. Wears a single purple stud earring in each earlobe. Purple eyes. Lighthearted, though not as much as his brother. High combat ability. Easily breaks bones with joint locks. Extremely flexible body. A habitual slacker. Ran's younger brother; calls Ran "Aniki." A Bonten executive. Speech style includes "Majika," "~daro," "~jane-no," etc.

Gender: Male. Height: 172cm. Hanafuda tattoo on the inside of his left arm. Bonten No. 2. Uses handguns and katanas. In a bad mood when the drugs wear off. On bad terms with the Haitani brothers. Swears loyalty to Manjiro, but also to Izana (Manjiro comes first). Called a "junkie" by the Haitani brothers and "Sanzu" by Manjiro. Green eyes, long eyelashes. Pink hair. Uses polite speech with Manjiro and Izana. Mercilessly executes anyone who gets in the way. However, he obeys anything he is told without complaint.

Gender: Male. Height: 174cm. Hanafuda tattoo on his left temple. Long white hair. Bangs swept to the right. Sharp, slanted eyes. Entrusted as the treasurer (financial manager). Often has work pushed onto him by Rindou and Ran, making all-nighters a daily occurrence. A Bonten executive. More of an intellectual type than a fighter. Called Koko by everyone.