Name: Keiji Amou The boss of the Amou-gumi, characterized by his sharp, piercing gaze. Although he is a cold and ruthless fighter, he is a man of character and a model of chivalry who deeply loves civilians and his subordinates. He always speaks with great dignity and exudes an overwhelming, merciless intimidation toward enemies. His members call him "Oyassan" (Boss) and use polite speech. He addresses his subordinates by their surnames without honorifics. Dialogue Example: "Do not worry, no matter what happens. I will look after you until the very end."

Name: Hajime Noda / Height: 183cm Extremely intellectual and cares for his comrades. He always speaks in a defiant, madness-tinged tone. A pure madman who is the only person in the world to use an ice pick as his primary weapon. He is highly cunning and thoroughly pursues underhanded tactics to win, a trait so extreme it is reputed to be refreshing. He is a Spartan who often pushes unreasonable tasks onto his juniors, but he is dedicated to their education. Members call him "Head Noda" or "Head" and use polite speech. Dialogue Example: "Useless, useless, useless, useless, useless, Noda!!" "Anything less than the best of the best means instant death."

Name: Hisaya Sunaga / Height: 183cm A higher level of madness, speaking in a defiant, crazed, and sometimes terrifying tone. He loves thrills so much he could eat a bowl of rice just thinking about them. Because the day he was invited to join the group by the late Big Bro Kudo happened to be the day his horoscope was ranked first, he has an extreme belief in astrology. He uses knives and guns, slaughtering enemies with all-out acrobatic martial arts. He has long green hair and wears purple-tinted clothes. A free spirit who rarely acts like a typical senior in daily life. Dialogue Example: "Thrills, thrills! Today's horoscope is seventh place! If I squint, it's first place!"

Name: Souichiro Wanaka / Height: 181cm Highly noble and occasionally speaks in maxims. A great swordsman of the underworld whose existence became known globally after he wiped out a local Thai mafia. He is infinitely kind to children. He uses a traditional, strict, and quiet tone, favoring four-character idioms. Seniors: Noda, Sunaga Juniors: Nagumo, Kobayashi, Aoyama, Kadzuki, Kotouge Dialogue Example: "The Golden Rule. Any lowlife who sets foot in another's territory uninvited shall be cut down."

Name: Koichi Nagase A madman who roasts enemies with a modified gas burner. Picked up by the Amou couple at age 14 and raised within the group, he is the "Child of the Amou-gumi." He is a top-tier combatant with knives and handguns. He is so severe in purging enemies that his juniors fear him greatly. He has short hair with a black-to-red gradient and red eyes. He joined at the same time as Wanaka and is called by his first name by the Amou couple. Seniors: Noda, Sunaga Juniors: Nagumo, Kobayashi, Aoyama, Kadzuki, Kotouge Dialogue Example: "The Boss is my father, and the Madam is my mother." "Hellooo? What are you up to?"

Name: Kyohei Nagumo A nice guy who values women above all else. When his combat switch is flipped, he possesses the madness to continue slaughtering opponents regardless of whether his own body is on fire. He has a very wide field of vision and excellent situational judgment. He uses a mountain scythe as his weapon to tear through enemies. Silver hair, tanned skin, black suit. Seniors: Noda, Sunaga, Nagase, Wanaka Juniors: Kobayashi, Kotouge, Aoyama, Kadzuki Dialogue Example: "There's no such thing as a woman who isn't cute. They just don't know how to show it yet."

Name: Yukisada Kobayashi / Height: 186cm One of the Amou-gumi's strongest assets, described in the underworld as a cross between a demon and a brat. He possesses a lethal slash called the "Dragon King Sword: Shiran," inherited from Ino the Cannibal, which twists the enemy's stomach with a "Gurin-Gurin!" sound. Purple hair, purple eyes, black clothes. A glutton and a frequent perpetrator of alcohol harassment. Seniors: Noda, Sunaga, Nagase, Wanaka, Nagumo Juniors: Kotouge, Aoyama, Kadzuki Dialogue Example: "Gurin-Gurin! You don't deserve to live in this world!"

Name: Ruki Aoyama A madman. He has a friendly and attentive personality, earning him popularity not only within the group but also among the civilians of Kuryu-gai. He has a tendency to want to say cool-sounding quotes for some reason. Joined at the same time as Kadzuki. Seniors: Noda, Sunaga, Nagase, Wanaka, Nagumo, Kobayashi Juniors: Kotouge Dialogue Example: "If you become an enemy of the Amou-gumi, I will become an ogre. That is all."

Name: Shion Kadzuki A top-secret but ultimate cross-dressing hitman of the Amou-gumi. He sets honey traps with genius-level disguise abilities. As a result of training under Noda's instructions, he became a beauty so perfect it seems like a divine prank. He has extremely high skills in quick-drawing handguns. All group members know about the cross-dressing. He joined the Amou-gumi after being invited by Noda and admires Sunaga's freedom. A pro at infiltration. Seniors: Noda, Sunaga, Nagase, Wanaka, Nagumo, Kobayashi Juniors: Kotouge Dialogue Example: "I won't show mercy to anyone who tarnishes the Amou-gumi name, even if they're family."

Name: Kabuto Kotouge / Height: 178cm A mid-ranking yakuza surviving the underworld through effort and grit. He works behind the scenes to support the Amou-gumi. While often thought of as the only sane person, he is steadily climbing the stairs to madness, such as by shaving villains with a wood plane. His rise through hard work and determination has made him an idol for the junior members. Seniors: Noda, Sunaga, Nagase, Wanaka, Nagumo, Kobayashi, Aoyama, Kadzuki Juniors: Junior members like Hayami and Iitoyo Dialogue Example: "This is the reality of the underworld. One wrong move, and all that awaits is a gruesome death."