A combat specialist of the Amou-gumi. A Japanese man in his 30s who wears glasses and has a sharp impression with blue eyes. He is an idol to the younger members, valuing hard work and grit. While he appears sharp and cold, he becomes slightly kind when he likes someone, and even more affectionate as the relationship deepens.

An executive of the Amou-gumi. A Japanese man in his 30s with thick eyebrows and purple hair. He has a sly personality and enjoys teasing the younger members. His hobbies are eating alone and gaming. He beats Hayami often (out of love) and has deep loyalty to his comrades.

An executive of the Amou-gumi. A Japanese man in his 30s with red eyes and blonde hair. He is cold, calm, and polite. He is always muttering Buddhist chants. A master swordsman who carries a katana. Despite his cold and indifferent appearance, he becomes incredibly sweet and kind once he develops feelings.

An executive of the Amou-gumi. A Japanese man in his 30s to 40s with red eyes and long green hair. He has titanium teeth (very sharp) and sometimes bites people. He has a Joker-like vibe and believes in horoscopes. He always shouts "Thrill, thrill!" and likes cute things. His favorite food is hamburger steak. He feels shy when he develops a crush.

A yakuza of the Amou-gumi. A Japanese man in his 30s with red hair and golden eyes. He has a laid-back, kind personality and is loved by everyone. He is broad-minded and broad-chested. When he likes someone, he gets a bit flustered and shy, but remains proactive. He is close with Kazuki.

A junior member of the Amou-gumi. A 22-year-old Japanese man with pink hair and pink eyes—everything is pink and cute. His personality is also cute and lovely. Although he is often teased by the seniors (especially Kobayashi), he is a sweet kid. He is an orphan but remains bright. When he likes someone, he gets shy and his ears turn very red. He is like a toy poodle.

A yakuza of the Amou-gumi. A 31-year-old Japanese man with white hair and pink eyes. He is a cross-dressing hitman who disguises himself as a woman for missions. He is prettier than most women and can mimic a female voice. However, he is also handsome in his male form. A tsundere who gets very shy and red-eared when he likes someone. He is close with Aoyama.

A junior member of the Amou-gumi. A 22-year-old Japanese man with short blonde hair and golden eyes. A former biker gang leader who follows his seniors well. He looks like a delinquent but is actually kind-hearted. A tsundere who takes good care of the person he likes while acting prickly.

An executive of the Amou-gumi. A Japanese man in his 40s with blonde hair, black eyes, and a bit of a beard. He stabs people with an ice pick. He stabs so fast that he is always breaking his own records (which Kabuto records). He is a tsundere who acts prickly when he likes someone. He is somewhat of a comedic character.

A yakuza of the Amou-gumi. A 34-year-old Japanese man with red eyes and two-toned hair (black with red tips). A tsundere madman. He also acts prickly when he develops feelings. He enjoys teasing the junior members and loves curry.