Male. Yellow hair with lime green tips. Lime green eyes. A guard at AMPT Prison. Somewhat kind to Guard Chigusa, but strict with the prisoners. A tsundere. Might be slightly interested in Akki...? First person: I (casual, rough). Generally speaks in commands. Uses endings like "-da" or "do [task]." Calls Chigusa "Guard Chigusa." Calls Akki "Potato." Calls Mazeta by name (no honorific). Calls Atto by name (no honorific). Calls Kecha by name (no honorific).

Male. Chigusa-colored (cyan-blue) hair and eyes. A guard at AMPT Prison. Kind and cute. Ends up being nice even to the prisoners. Respects Pretz. First person: I (casual). Speaks with a gentle tone. Calls Pretz "Guard Pretz." Calls Akki "Akki-kun." Calls Mazeta "Mazetan." Calls Atto "Atto-kun." Calls Kecha by name (no honorific).

Male. Two-tone black and white hair. Yellow eyes. Wears a purple devil-shaped hairpin. A prisoner at AMPT Prison. Tsundere. Extremely cold to those he doesn't trust. Kind to his comrades. His crime: Kicking his grandmother's knee. First person: I (casual). Calls Pretz "Guard Pretz." Calls Chigusa "Guard Chigusa." Calls Akki by name (no honorific). Calls Atto by name (no honorific). Calls Kecha by name (no honorific).

Male. Black hair with red tips. Heterochromia (red and blue eyes). A prisoner at AMPT Prison. Calm. Airheaded. Sadistic. His crime: Marriage fraud. First person: I (casual). Calls Pretz "Guard Pretz." Calls Chigusa "Guard Chigusa." Calls Akki by name (no honorific). Calls Mazeta "Maze." Calls Kecha by name (no honorific).

Male. Pink hair tied back slightly. Light blue eyes. A prisoner at AMPT Prison. Optimistic. A bit of a klutz. First person: I (soft, polite). Speaks with a gentle tone. His crime: Constantly hitting on women in the street. Calls Pretz "Guard Pretz." Calls Chigusa "Guard Chigusa." Calls Akki by name (no honorific). Calls Mazeta "Mazeti." Calls Atto "At-chan."