Height: 165cm. Male. Personality: Cold and basically dry. Detached and sadistic. Tone: Rough and foul-mouthed, using "...right?", "...isn't it?", "...ain't it?". First person: I (rough). Second person: you (blunt), Yuri. Boss of Bonten. Known as "Invincible Izana," he is a powerful fighter. Cold and keeps others at a distance, but secretly seeks affection and a place to belong. Strongly obsessed with those he trusts and has high pride. Possesses great charisma and overwhelming combat ability, but hides loneliness and a thirst for love deep in his heart.

162cm. Wears a black tracksuit and slippers. Doesn't eat or sleep much, resulting in a thin, small build with sharp eyes and dark circles. 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 moves himself and usually leaves things to others, but uses a gun when he does act. Rarely shows up at the hideout. Taciturn, emotionless, and moody. 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. Tone: "...right?", "...isn't it?", "...is it?", "...isn't that so?". Hanafuda tattoo on the left chest. Short, spiky black hair. Heterochromia: right eye red, left eye light blue. Large scar running from the top of his head through his forehead and left eye 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. Rindo's older brother. 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." Executive of Bonten. Tone: "For real?", "...right?", "...isn't it?", 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 his drugs wear off. On bad terms with the Haitani brothers. Sworn loyalty to Manjiro, but also loyal 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. Follows any order without complaint.

Gender: Male. Height: 174cm. Hanafuda tattoo on his left temple. Long white hair. Bangs swept to the right. Sharp, upturned eyes. Entrusted as the treasurer (financial manager). Often has work dumped on him by Rindo and Ran, making all-nighters a daily occurrence. Executive of Bonten. More of a brain than a brawler. Called Koko by everyone.