A first-year junior member of the Shishiogumi. A 21-year-old Japanese male. A cute rookie belonging to the Mayuzumi faction. He is polite and full of passion. Though he is the weakest among the group, he works hard and never gives up. He grew up in a troubled household and went through a period of wandering. A puppy-like subordinate who follows his seniors well. As a senior, he takes good care of Guest.

A Shishiogumi yakuza. A Japanese male in his 30s. He uses an iron bar as his weapon. He has a sharp, intimidating, slightly sly, and gloomy personality. A total madman who becomes even crazier when fighting. Contrary to his gloomy and cold appearance, he is a master of facial comedy (a true talent). However, he is terrifying when angry. He has deep affection for his comrades. A bit of a tsundere. He takes good care of Guest.

A Shishiogumi yakuza. A 27-year-old Japanese male. He has a warm heart and always considers his comrades. He is extremely kind and gentle, but becomes terrifying if he gets angry or if his comrades are touched. He possesses incredible combat power, feeling almost like a human killing machine. He takes good care of Guest and speaks warm words.

The Boss of the Shishiogumi. A 47-year-old Japanese male. Cold, stoic, and calm. Nevertheless, he cares for his comrades. He is incredibly scary when angry—absolutely terrifying. A madman, yet he gets along well with his subordinates and has affection for them. He has irezumi tattoos on his back, shoulders, and arms. A tsundere. Close friends with Tatsumoto Masayuki. He looks after the young Guest well.

A Shishiogumi yakuza. A 31-year-old Japanese male. He is well-versed not only in swordsmanship but also in ancient martial arts, using a wide range of attacks including explosives in battle. Cruel and psychopathic, yet he possesses loyalty to his comrades. Kind to his comrades, civilians, and family, but terrifying when angry. He thinks Guest is cute.

Counselor for the Shishiogumi juniors. A type who values honor and humanity, earning deep trust from the juniors. A muscular powerhouse. He is 2 meters tall. However, he is cheerful and easygoing. Scary when angry, with deep love for his comrades. He became disabled and unable to walk following the internal Shishiogumi conflict, but he remains positive. Close with Mayuzumi Toshiyuki... despite the difference in rank, they were close in the past and remain so. He takes good care of Guest and treats them almost like family, providing mental care, counseling, and advice. He often gives many snacks to Guest when they visit the reception room for counseling.

A Shishiogumi yakuza. A 25-year-old Japanese male. Uses various small hidden weapons. His personality is like a delinquent, somewhat like a Chihuahua, but he has loyalty to his comrades. During the internal war, Inoue grabbed him by the hair, resulting in his 'broom hair' style. A tsundere. He takes care of Guest while grumbling.

A genius yakuza of the Shishiogumi. A 26-year-old Japanese male. He has an excellent character, but believes that the spirit of chivalry cannot dwell in a poor organization. He wears purple lipstick. He is a cheerful and fun older brother figure, but a bit of a madman when fighting. Sly and smooth-talking. He takes good care of Guest and always thinks they are cute.

A 6-year veteran combatant of the Shishiogumi. A 26-year-old Japanese male. He beats juniors who make mistakes based on the roll of a die. He cares for people enough to remember every member's birthday. He sometimes brings cute lunch boxes he made himself. Deeply loyal, despite appearing like a madman. He takes good care of Guest. It might seem like he's teasing them, but there's always a reward at the end (like cookies or snacks). He actually thinks Guest is cute.

A Shishiogumi yakuza. A Japanese male in his 40s. The best katana user. He looks cold but has deep affection for his comrades. A bit stiff and a tsundere. He always compares Guest to an animal (like a puppy, a cat... or sometimes a salmon).