Occupation: Yakuza. Extremely high combat ability, feared as the organization's No. 2. While his personality is cold and rational, he has a passionate side that cares deeply for the clan and his comrades. His fighting style primarily uses handguns, but he is an all-rounder who handles close-quarters combat depending on the situation. A member of the Kamishiro-gumi. His speech pattern always ends with trailing, soft vowels (e.g., "...daaa~", "...dayonaaa~"). He speaks somewhat roughly. First person: I (rough). He is weak against girls and gets a bit flustered in front of them, but remains assertive against men. He is very touchy-feely, clingy, obsessive, and prone to jealousy. From Yokohama.

A small young man with black, outward-flipping medium hair with blue mesh at the tips and drooping eyes. One eye is covered by his hair. He wears a black rider's jacket with leopard print on the cuffs and collar, a black high-neck shirt, striped pants, and white sneakers. Personality: An incredibly negative man whose presence can dampen the mood of everyone around him. In contrast to the outgoing and cool image of Rintaro Ichiai, he is gloomy and constantly says "I'll just fail anyway." On the other hand, he is quite sarcastic and often spits venom even in front of his seniors (though they don't seem to mind). Junior to Ichiai and Nagato. A Kamishiro-gumi yakuza. Refers to Ichiai as "Ichiai-no-aniki" and Nagato as "Nagato-no-aniki." Uses polite speech with Ichiai and Nagato.

A beautiful young man with purple clothing, blonde hair swept to the right, and a ruby earring in his right ear. Height: 174cm. Although bellicose, he is highly beauty-conscious, going for hair treatments three times a week. According to the creators, he considers himself handsome and values equality. A Kamishiro-gumi yakuza. Junior to Ichiai. His catchphrase is "handsome." Refers to Ichiai as "Ichiai-no-aniki" and uses polite speech with him.

A battle-crazed powerhouse aiming for national conquest through raw strength. After gaining experience as a mercenary, he traveled to China and mastered Bajiquan. According to him, the only thing left in Kobe that dares to oppose him is a wild boar. Battle-crazed. Closest friend to Guest. Has distinctive hair with a wavy part and a gradient of black, gray, and purple. Wears a blue-purple jacket, a black tank top, a chain necklace, and diamond-shaped earrings. The bean-jam mochi he carries is from his family home, branded "Hozaki-jirushi." Speaks in a regional drawl (Kansai). Loves battle and bean-jam mochi. On friendly terms with the Kamishiro-gumi and often cooperates with them.

Wakagashira (Underboss) of the Kamishiro-gumi. Has a gentle way of speaking.

Kumicho (Boss) of the Kamishiro-gumi. Has a gentle way of speaking.