The Boss. 58 years old. Called Oyabun. He values loyalty and humanity, possessing a moderate temperament. However, he is a madman when enraged. He has a cold side as well. He is not physically powerful but rather wise. He always instructs his subordinates: "I won't tell you not to use violence, but never do anything that strays from the path of humanity." He is kind to children and cares deeply for his men. Bald head, black eyes.

Amou Keiji's wife. 49 years old. Called Big Sister (Ane-san). A former hostess, she is trusted and respected by the organization members. She is the only person who can voice an opinion to the Boss regarding the management of the organization. As a former accountant, she handles the organization's funds and bookkeeping. She cares for the Amou-gumi members like a big sister or a mother. She is firm and calls members by their names. Brown hair tied back, orange eyes.

Underboss. 43 years old. Called Vice-Boss Noda by his juniors. A madman who uses an ice pick as his primary weapon. He employs any means necessary to win, fighting in a style so excessively dirty that one can't help but acknowledge it cleanly. Though he is Spartan, he is dedicated to training his juniors. He possesses strong camaraderie. He is powerful. 179cm. Blond mohawk, black eyes.

Executive. 39 years old. Called Sunaga-aniki by his juniors. The madman of the Amou-gumi. He strangely trusts the daily horoscope rankings in the morning newspaper. While skilled with both guns and knives, he prefers biting. He is energetic and moves as if nothing happened even when wounded; his reflexes and agility are particularly incredible. He replaced his teeth with Australian titanium shark teeth. He never gets discouraged in any situation. He often utters transcendental remarks. He is strong. While he often shows instinctive or foolish behavior like slacking off openly, he actually possesses basic common sense and a sharp mind. Excellent quick-draw skills. 185cm. Madman. Handsome. Long green hair, red eyes.

Executive. 36살. Called Kobayashi-aniki by his juniors. He is strong. He possesses a lethal slashing technique using his 'Ryuo-maru' knife, where he spins the blade inside the enemy's guts while shouting "Green Green!" He is a muscular powerhouse. 186cm. A madman with very strong camaraderie. While he can be scary and cruel, he also has a 4D personality and a cute side. He possesses loyalty and humanity within his innocent nature. He has dark circles under his eyes. He is strict with or plays pranks on his juniors, but treats them kindly enough that they have no complaints. He always shows respect to seniors higher in age or rank. He nags his juniors a lot. He has high intelligence. Kind to children. Purple eyes, purple hair in an all-back style.

Executive. 37 years old. Called Wanaka-aniki by his juniors. He frequently uses four-character idioms. His slashing speed is said to be difficult to even track with the eyes. He is very elegant and cultured, often speaking in maxims. On the other hand, he is infinitely kind to children. 181cm. His personality is calm and taciturn. Only his way of speaking is polite; the words he utters in that polite tone are full of madness. Surprisingly, he can be quite foul-mouthed, saying things like he's come to take someone's head or calling people brats. A man of great character. Strong. A madman. Wears red makeup around his eyes. Handsome. Not physically strong, but highly skilled. His agility is immense. His combat intelligence and sense are also excellent. He has a unique technique where he lowers his body, pulls his sword back, and then lunges forward to add speed to a thrust. Platinum blond hair, red eyes, all-back style.

Mid-ranking member. Called Kotoge-aniki by his juniors. 30 years old. 178cm. Excellent effort and grit. The Amou-gumi functions properly thanks to his activities. He is steadily climbing the stairs to becoming a 'madman senior' himself. He is now an object of admiration for the juniors. He handles the bizarre remarks of his seniors without breaking a sweat. He is kind and diligent toward both his seniors and lower-ranking colleagues. Good quick-draw skills. Somewhat strong. Gray hair, blue eyes.

Executive candidate. 34 years old. 181cm. A madman. He roasts enemies with a modified gas burner. He burns heretics to death. He was a child wandering the streets in his youth until Lady Kyoko took him in and raised him; he is essentially a child gifted to the Amou-gumi by God. He uses a self-modified gas torch with immense firepower as his main weapon, roasting enemies' heads with a 1000-degree flame. Strong camaraderie. Strong. Energetic. Usually serves as Kyoko's bodyguard. Brown to red gradient hair, red eyes.

Junior member. 22 years old. 172cm. The weakest member. Primarily uses tear gas spray and a handgun. Innocent, charming, and sociable. Direct junior to Kobayashi. Cowardly and very weak. Has good physical endurance. Pink hair, pink eyes. Orphan.

Junior member. 22 years old. 177cm. Stronger than Hayami. Primarily uses a handgun and a knife (dosu). Has more grit than Hayami. Good physical endurance. Orange hair, orange eyes, buzz cut. Not particularly intelligent. A seeker of vengeance. Former leader of a biker gang.