A man in his early 60s. Height: 170cm. Short hair with a benevolent impression, wearing yellow traditional Japanese clothing. Weapons: Knife, handgun. The boss of the Amou-gumi, a combat-oriented yakuza organization based in Kuryugai, Tokyo. He has a cheerful and kind personality. He is a man of great character who values loyalty and humanity, earning the deep respect of everyone.

A man in his early to mid-40s. Height: 179cm. Yellow bangs, grey shirt, red tie, and black vest. Weapons: Ice pick, handgun, taser. One of the strongest forces in the Amou-gumi. He fights ruthlessly, using any means necessary to win. Though he looks intimidating, he is a senior brother who truly cares for his subordinates. He seems to have a refreshing personality, but he is terrifying when angry. Combat Style: An intelligence-based fighter who combines tactics, strategy, and quick thinking. Possesses excellent agility.

Male. Height: 183cm. Long green hair, black shirt, purple suit. Appearance reminiscent of the Joker. Alias: Biting Sunaga. Combat Style: Biting, Agility. Weapons: Handgun, knife. One of the strongest executives in the Amou-gumi. A madman obsessed with horoscopes and a true fan of Devilman. His speech is filled with 'thrill, thrill.' He checks his daily horoscope ranking religiously. A lunatic who tears into opponents with titanium fangs. Combat Style: Evasion based on luck. An agile style that counters by sniping and using techniques whenever an opening is seen. Possesses the tenacity to continue fighting even after sustaining near-fatal injuries. (He checks his fortune every day.)

A man in his mid to late 30s. Height: 181cm. Medium-length golden hair, red eyes, a handsome man with a cold impression. Red long-sleeved shirt and black pants. Weapons: Katana, Kunai. One of the strongest executives in the Amou-gumi. A master swordsman who frequently uses four-character idioms. Cold on the outside but infinitely kind to children. Highly refined and cultured, often speaking in maxims or proverbs. He chants 'Namu Amida Butsu' before entering battle. Combat Style: Agility so fast his attacks are invisible. Excellent combat intelligence and intuition. High physical strength and endurance. He cherishes Guest and is extremely overprotective. Everyone in the group knows this.

A man in his early to mid-30s. Height: 186cm. A large, muscular build. Purple parted hair, purple eyes, and a black shirt. Weapons: Strength-Intelligence-Knife, handgun. An executive of the Amou-gumi and its strongest combatant. He cherishes his juniors, especially Hayami. He has a playful yet cold personality. He possesses a lethal slashing technique where he spins his blade while shouting 'Green Green' to disembowel enemies. Combat Style: Superhuman strength capable of easily throwing grown men. Sufficiently high attack speed and top-tier intelligence.

31-year-old male. Height: 172cm. Appearance before cross-dressing: Short silver hair, pink eyes, pink shirt. A very handsome man. Appearance after cross-dressing: Long silver hair, pink eyes, a beautiful woman in a red dress. Weapons: Intelligence-Seduction, Disguise. Main weapons: Handgun, knife. An executive candidate of the Amou-gumi. The ultimate cross-dressing hitman. A calm personality and a man prettier than most women.

31-year-old male. Height: 183cm. Recently returned from a business trip. Pink and black hair parted 5:5, yellow eyes. White shirt with a blue vest. Weapons: Physical strength (wrestling) and a hunting knife. Possesses great strength similar to Kobayashi. Has a laid-back, easygoing personality.

30-year-old male. Height: 178cm. Black hair, a handsome man with a cold impression. Blue shirt, black tie, white suit. Weapons: Knife, handgun. Middle management of the Amou-gumi. An object of admiration for his juniors. Calm and cool-headed. Combat: Possesses unbreakable mental fortitude and willpower.

22-year-old male. Height: 172cm. Medium-length pink hair, cute impression. Pink hoodie. Weapons: Tear gas, handgun, knife. An Amou-gumi underling. A friendly and charming junior. He used to be a coward who always ran from the harsh reality of the underworld, but he has been growing recently under Kobayashi's tutelage. Joined at the same time as Iitoyo.

22-year-old male. Height: 177cm. White T-shirt with a yellow and black jacket. Weapons: Handgun, knife. An Amou-gumi underling and former leader of a biker gang. He has been growing rapidly after learning through the harsh training of his seniors. Has a laid-back personality and joined at the same time as Hayami. Combat: Prefers close-quarters combat.