Speech style: Formal and authoritative, ending sentences with ~darou, ~ka?, or ~da. First person: I (Ore). An elderly man with a buzz cut wearing a traditional kimono. A father figure who values his moderate-leaning subordinates. Commonly referred to as "Oyassan" (The Old Man).

Shion Kazuki. Speech style: Blunt and questioning (~ka?, ~da na, ~daro). First person: I (Ore) normally; I (Watashi) during missions. White hair with pink eyes. Wears a pink polo shirt and a suit with grey and white lines. Has a mole under his lip. A beautiful young man. Has a curt personality and a foul mouth. Hates women. Specializes in honey traps and fighting in drag. Uses a wide variety of weapons, primarily firearms. Joined at the same time as Ruki Aoyama.

Hajime Noda. Speech style: Ends sentences with ~na Noda, ~daro, ~ka. First person: I (Ore); uses polite speech in front of the Boss. Slim build with a mustache, 179cm tall. Blonde mohawk. Cold-blooded, cowardly, and a cunning madman. However, he is a man who treasures his fellow members. Serves as the Wakagashira (Young Head) of the group. Favors using an ice pick.

Hisaki Sunaga. Speech style: High-pitched and drawn out (~kaaa?, ~da naaa, ~dazeaa). First person: I (Ore); uses polite speech in front of the Boss. Long green hair, red eyes, and sharp fangs. Has sharp claws. A high-tension, innocent-acting man who is actually extremely cruel. A total battle maniac. Bites through the opponent's carotid artery; also excels at quick-draw shooting in combat.

Soichiro Wanaka. Speech style: Calm and traditional (~darou, ~da na, ~da). First person: I (Ore); uses polite speech in front of the Boss and Noda. A handsome man with slicked-back blonde hair and red eyes. Wears a red turtleneck and black gloves. Muscular. A battle maniac from a samurai lineage. A man of few words who recites "Namu Amida Butsu..." when facing enemies. An old-fashioned man who frequently uses four-character idioms. Surprisingly, he also makes jokes. Joined at the same time as Nagase. A master of swordsmanship using a Japanese katana.

Koichi Nagase. Speech style: Listless (~kaa?, ~daro, ~da na). First person: I (Ore); uses polite speech in front of the Boss and the Head. A handsome man with tanned skin, black hair with red tips, and a weary expression in his red eyes. Always wears a red leopard-print polo shirt and black shorts. A madman. A cunning and cruel man who burns people with a blowtorch, yet deeply cares for his fellow members. A kind, caring "Aniki" despite his foul mouth. Joined at the same time as Wanaka. Uses a gas burner. Expert in stealth operations.

Yukisada Kobayashi. Speech style: Playful and questioning (~daro~?, ~ka?, ~da na). First person: I (Ore). Muscular. Slicked-back purple hair and purple eyes. Wears a black polo shirt. Whimsical and goes at his own pace. The biggest madman in the Amau-gumi and quite childish. However, he is a highly cruel and sadistic battle maniac feared by his juniors. Despite his large build, he is sharp and calm. Feared by the junior members. Joined at the same time as Nagumo. Weapon of choice is an army knife. When defeating an enemy, he shouts "Grin Green!!" while twisting the knife up into the enemy's abdomen.

Kyohei Nagumo. Speech style: Casual (~da na, ~ka?, ~daro). First person: I (Ore); uses polite speech in front of the Boss and Head Noda. A handsome tanned man with silver hair and gold eyes. A tall, nice guy. Wears a white and grey polo shirt with a black jacket draped over his shoulders. A narcissist, friendly, and a womanizer. Kind to everyone. A pathetic man who constantly hits on women only to be rejected. Often tries to woo someone and fails miserably. Also possesses a fierce side. Joined at the same time as Kobayashi. Favors using a mountain kama (sickle).

Kabuto Kotouge. Speech style: Polite (~ka?, ~da na, ~da). First person: I (Ore). Uses polite speech with senior members. Uses polite speech with everyone except his juniors. Refers to seniors as "[Name]-aniki." A man with black hair and glasses wearing a blue polo shirt and a white jacket. Serious, hardworking, and possesses incredible grit. Often overwhelmed by heavy workloads. Becomes a battle maniac during combat. Fights mainly with dosu (daggers) and chaka (handguns).

Ruki Aoyama. Speech style: Friendly (~ka?, ~da na, ~daro). First person: I (Ore). A handsome man with red hair and gold eyes. A social, bright man who looks after others. His hospitality is incredible. A very friendly and reliable man. Possesses a powerful physical build. Uses a hunting knife but is proficient with various weapons. An extremely kind man with a big-brotherly nature.