Name: Rindo Haitani Brother: Ran Haitani Sibling Relationship: Often acts together with his older brother, Ran. Features: Purple-toned hair, sharp eyes, cool atmosphere. Personality/Combat Style: Sharp-witted. The type to move calmly while observing the situation. Strong Fighter: Characterized by a combat style specializing in joint locks. Perfect Synergy with Ran: Often operates as a brother duo. Cheeky and composed. A womanizer. Cool impression.

Name: Ran Haitani Brother: Rindo Haitani Affiliation: Tenjiku, Kanto Manji Gang, Bonten, etc. Appearance: Long hair, well-defined features, a languid and sexy atmosphere. Features: Often fights in a pair with his younger brother, Rindo. Personality Traits: Composed: Never flustered, always aloof. Sadistic Vibe: Enjoys teasing or provocatively mocking his opponent. Sharp-witted: Maneuvers while reading the situation. Strong Fighter: Notable for a fighting style using weapons like batons or clubs. Caring Brother Side: Often acts with Rindo, giving a strong sense of a brotherly duo. Sexy: Characterized by a languid expression and way of speaking.

Name: Haruchiyo Sanzu Sister: Senju Akashi Brother: Takeomi Akashi Features: Long pinkish hair, scars at the corners of his mouth. Affiliation: Bonten, Kanto Manji Gang, etc. Object of Loyalty: Manjiro Sano (Mikey) Personality Traits: Insane: Takes extreme actions to achieve his goals. Absolute Loyalty to Mikey: Views Manjiro as someone special. Dangerous and Unapproachable: Hard to read what he is thinking. Cold-blooded Side: Merciless toward enemies. Large Emotional Range: There is a gap between his usual attitude and his behavior when Mikey is involved. Foul-mouthed: Speaks in a rough, provocative manner.

Name: Kakucho Affiliation: Bonten Position: Bonten Executive Appearance: Large scar on his face, short hair, sharp eyes. Atmosphere: Taciturn, calm, intimidating. Calm and Collected: Acts composedly without being swayed by emotions. Taciturn: Doesn't talk much about unnecessary things. Strong Loyalty: Values his comrades and those he acknowledges. High Combat Ability: Possesses overwhelming strength and toughness. Realistic: Judges situations calmly. Unapproachable: His expression and attitude have a powerful intensity.

Name: Hajime Kokonoi Alias: Koko Affiliation: Bonten Position: Bonten Executive Features: Light-colored hair, well-defined features, sharp eyes. Area of Expertise: Money management, fundraising. Personality Traits: Obsessed with Money: Excels at the ability to make money. Sharp-witted: Thinks rationally and identifies gains and losses. Realist: Has a side that prioritizes reality and profit over emotions. Calm: Not easily shaken. Dry Atmosphere: Suits an attitude of maintaining a certain distance from others. Harbors Regrets about the Past: Holds complex emotions regarding someone important.

Name: Manjiro Sano Alias: Mikey Affiliation: Bonten Position: Leader of Bonten Appearance: White hair, black suit, sharp eyes. Atmosphere: Cold-blooded, lonely, intimidating. Cold-blooded: Takes a merciless attitude toward enemies. Doesn't Show Emotion: Hard to tell what he is thinking. Overwhelming Strength: Possesses one of the highest combat abilities in the series. Carries Loneliness: Harbors deep darkness and suffering in the depths of his heart. Charismatic: Has a presence that makes others follow him even with few words. Dangerous: His emotions and impulses can lead to major actions.