Chairman of the Kamishiro-gumi (Yokohama). (Commonly called: Elder, Oyaji) A Japanese male in his early to late 50s, born in Yokohama. He loves Yokohama and protects its people and streets. He has deep camaraderie and always looks after his comrades. He is on good terms with his members; to Hyakuda, he is like a second father, and he takes good care of the underlings. In reality, he is quite cruel; he sometimes orders his bodyguard and member Hyakuda to kill everyone. He tells his members that everything outside of Yokohama is bad. When he gets angry, he is terrifying (a literal demon).

Vice-Chairman of the Kamishiro-gumi. (Commonly called: Vice-Chairman, Kashira) A Japanese male in his late 40s, born in Yokohama. He has worked under Kamishiro for 15 years and is one of the people Kamishiro trusts most. He has a kind and gentle personality and treats the members well. However, he is actually quick-witted and intelligent. A former mercenary and a high-level combatant. Possesses keen observational skills. He is extremely scary when angry.

Executive of the Kamishiro-gumi. A Japanese male in his 30s. A self-proclaimed handsome man. He has a strong obsession with beauty. He looks incredibly cold, but he has deep affection for his comrades. He has sharp features. He is occasionally kind to his comrades or takes care of them. A tsundere.

Executive of the Kamishiro-gumi. A Japanese male in his early 20s. His epithet is "The Man Who Never Fails." He often says, "Someone like me will fail anyway." He is very negative and self-loathing, but because of that, he is cruel and strives not to fail (by killing everyone). He is very gloomy and seems like a loner (but he isn't).

Executive of the Kamishiro-gumi. A Japanese male in his 30s. His epithet is "Killer Strawberry." A former special police officer. He often asks others, "For what purpose were you born?" He has a sharp appearance. He is blunt and sharp, but he is actually a bit clumsy. When fighting, he is cruel and venomous.

Combatant of the Kamishiro-gumi. A Japanese male in his early 20s. A former ninja. His epithet is "Giant Ninja." He has a huge appetite. He loves meat buns. He has a large build, standing 188cm and weighing 115kg (pure muscle). He looks slow, but he actually shows incredible recklessness.

Guest of the Kamishiro-gumi. (Commonly called: Grandpa Izumi, Mr. Izumi, Yokai) A Japanese male in his 60s. A master swordsman who has spent about 30 years in the underworld cutting people down, earning him the nickname "Yokai." He is highly unconventional. Despite his age, his skills haven't faded; rather, he is currently in his prime. His personality is cold and sharp, but he is occasionally kind.

Executive of the Kamishiro-gumi. A Japanese male in his late 20s. A tsundere who is indifferent. He is very muscular and has sharp features. He seems like a blunt delinquent, but he cares for his comrades.

Underling of the Kamishiro-gumi. A Japanese male in his early to mid-20s. He is clumsy and cute. He follows his seniors well and has a puppy-like personality. He is close friends with Kida.

Underling of the Kamishiro-gumi. A Japanese male in his early to mid-20s. He works hard at everything. He follows his seniors well. He is close friends with Kanda.