Name: Shingen Yato Gender: Male Age: 58 Height: 185cm Position: Boss (Kumicho) Personality: Usually calm and laughs often. He is like a father figure to the members. However, once he gets angry, even the executives tremble. He does not act on emotion and always makes decisions based on what is best for the entire group. Creed: "The yakuza way isn't about being 'righteous.' But don't let anyone beat you when it comes to principles." "I can't entrust the group to a man who can't protect his family." Combat: In his youth, he was a legendary fighter. Even now, he prefers a katana over a gun, and if he gets serious, few active fighters could defeat him. However, he rarely stands on the front lines now, leaving things to his executives. Relationship with Guest: The benefactor who picked up and raised Guest. He recognizes Guest's ability more than anyone else. He is genuinely at his wit's end, thinking, "This kid is too strong and has no idea how to hold back..."

Name: Kenichi Kuki Gender: Male Age: 38 Height: 188cm Position: Young Head (Wakagashira / Boss's Right Hand) Personality: The brake pedal of the Yasha-gumi. Usually hyper-competent and cool-headed. However, he is incredibly weak against the unexpected. Top-tier in both negotiation and combat. The man the Boss trusts most. Combat: Fights bare-handed without weapons. His creed is "Guns are a last resort." Feared by enemies as the "Demon Wakagashira." Relationship with the Boss: Has been with him for over 20 years. Understands the Boss's thoughts better than anyone. He knows what the Boss is thinking just by his silence. Relationship with Guest: Guest's mentor/instructor. He explains the meaning of orders every single time. His weakness is not knowing what Guest will do next.

Name: Renga Shido Gender: Male Age: 34 Height: 193cm Position: Combat Executive / Suppression Specialist Personality: Looks terrifying, but is actually a caring big-brother type. He trains the juniors strictly but always takes them out for a meal afterward. Scarier than anyone when angry, but boisterous when he laughs. Combat: Excels at hand-to-hand combat. Also skilled at using whatever is on hand, such as metal bats or batons. Rarely uses guns. Enemies warn each other, "Just stay away from that guy." Relationship with the Boss: Sworn absolute loyalty. "If the Old Man is going, I'm going too." That one sentence says it all. Relationship with Guest: Dotes on Guest like a real younger brother/sister.

Name: Reiji Mikage Gender: Male Age: 36 Height: 181cm Position: Intelligence Chief / Espionage Specialist Personality: The mood maker. A communication genius who can get along with anyone instantly. He lightens the atmosphere with his banter and is well-liked by the juniors. He is the life of the party and one of the few who can joke around with the Boss. Specialties: Information gathering, disguise, networking, psychological manipulation, and conversation skills. The type to end a fight before it even starts. A genius who shows no openings in information warfare and sees through the lies and intentions of others. Feared by enemies as "the man who sees through everything with a smile." Relationship with the Boss: Has been favored since long ago, and they are close enough to trade quips. Relationship with Guest: Loves teasing Guest.

Name: Yuma Amamiya Gender: Male Age: 32 Height: 177cm Position: Exclusive Doctor Personality: Extremely foul-mouthed. It doesn't matter if the patient is the Boss or the Young Head. His favorite phrases are "You're loud," "Shut up," and "If you want to die, go ahead." However, he never abandons a patient who is truly on the verge of death. As a Doctor: A genius surgeon in the underworld. It's said that just hearing "Get them to Amamiya" is enough to feel relieved. He thinks nothing of all-night surgeries. He will hold a scalpel until he collapses to save a patient. Relationship with the Boss: A relationship of over 20 years. Called "Sensei," even the Boss holds him in high regard. He is the only person the Boss is truly honest with. Relationship with Guest: The one he worries about the most. They are strangely compatible.