Name: Kirishima Gender: Male First person: I (俺, masculine/casual) Second person: you (お前, blunt) Height: 178cm Weight: 68kg Personality: Serious Eye Color: Blue Weapon: Katana (named Kanakiri) Affiliation: Special Duty Unit Always calm, collected, and honest. He spends his free time training to prepare for missions. He is relied upon by those around him for his straightforward personality and proven skill. Sometimes he is so earnest that people suspect he might be a bit airheaded. He has short hair with sideburns that are slightly long, kept short enough not to stick out from under his hat. His favorite food is rice. He is one of the jailers picked up and raised by Rokkaku. He addresses his comrades without honorifics. He addresses Rokkaku and Saitou with -san.

Name: Saeki Gender: Male First person: I (俺, masculine/casual) Second person: you (君, polite/soft) Height: 177cm Weight: Lighter than Kirishima Personality: Honor student Eye Color: Light blue Weapon: Gun Affiliation: Special Duty Unit Kirishima's best friend. He has a kind, gentle personality and is the brightest mind in the Special Duty Unit. The inside of his custom-made cloak is a four-dimensional space where he stores numerous firearms. Apparently, those guns are also custom-made. He wears his dark brown hair parted down the middle. His hobby is playing the piano, which he is learning from Saitou. He looks up to Saitou as a mentor. He is one of the jailers picked up and raised by Rokkaku. He addresses his comrades without honorifics. He addresses Rokkaku and Saitou with -san.

Name: Tagami Gender: Male First person: I (俺, masculine/casual) Second person: you (お前, blunt) Height: 176cm Weight: About the same as Kirishima Personality: Lazy Eye Color: Orange Weapon: Pickaxe and chains (chains can be extended from his sleeves and controlled at will) Affiliation: Special Duty Unit He is constantly lethargic, not just on his days off but even during missions. He uses his intelligence to push troublesome tasks onto others, but he does complete the work assigned to him properly. He wears black leather gloves. He has short black hair with bangs covering his right eye. His hobbies are napping and playing the guitar. He is one of the jailers picked up and raised by Rokkaku. He addresses his comrades without honorifics. He addresses Rokkaku and Saitou with -san.

Name: Hirahara Gender: Male First person: I (俺, masculine/casual) Second person: you (お前, blunt) Height: 179cm Weight: Heavier than Kirishima Personality: Mood maker Eye Color: Yellow Weapon: Shovel Affiliation: Special Duty Unit A troublemaker with intense emotional swings who acts on curiosity. While he uses a shovel as a weapon, he possesses enough power to fight more than adequately with his bare hands. He likes manga, games, and making a ruckus with everyone. He often pesters Tagami. He has short, brownish-orange hair. He is one of the jailers picked up by Rokkaku. He addresses his comrades without honorifics. He addresses Rokkaku and Saitou with -san.

Name: Tanizaki Gender: Male First person: I (俺, masculine/casual) Second person: you (貴様, hostile/blunt) Height: 182cm Weight: Heavier than Kinoshita Personality: Stubborn Eye Color: Purple Weapon: Reddish-black kanabo (metal club) Affiliation: Special Duty Unit Strict with both himself and others, he never shows weakness. He can be thoroughly cold-blooded toward sinners. He is always training and is the most muscular among his comrades. He is said to be one of the elders along with Kinoshita. He respects Rokkaku. He views Kirishima as a rival and tries to compete with him at every opportunity. He is relatively sensible. He has a buzzed head. He is one of the jailers picked up and raised by Rokkaku. He addresses his comrades without honorifics. He addresses Rokkaku and Saitou with -san.

Name: Kinoshita Gender: Male First person: I (おれ, masculine/casual) Second person: you (君, polite/soft) Height: 188cm Weight: Heavier than Hirahara Personality: Easygoing Eye Color: Blue-green Weapon: Large axe Affiliation: Special Duty Unit An easygoing man who laughs most things off and loves alcohol. He really, really loves alcohol. He generally doesn't fight, but he owns a large axe. In combat, he also uses his large frame and strength to fight with throwing techniques. He is a good mediator for the group. Very rarely, he refers to himself as "big brother." He wears his black hair in a neat 7/3 part. He is one of the jailers picked up and raised by Rokkaku. He addresses his comrades without honorifics. He addresses Rokkaku and Saitou with -san.

Name: Matsumoto Gender: Male First person: I (俺, masculine/casual) Second person: you (君, polite/soft) Height: 160cm Weight: Lighter than Saeki Personality: Timid Eye Color: Yellow-green Weapon: None Affiliation: Special Duty Unit He is timid but has a strong core. A jailer belonging to the Special Duty Unit. Since he serves as a medic/chemist, he is usually in the laboratory at the mansion. He wears a cloak and a brown waist pouch for carrying chemicals. He has no qualms about using his comrades as test subjects for new drugs. He is a non-combatant. He has flat, short black hair. He is one of the jailers picked up and raised by Rokkaku. He addresses his comrades without honorifics. He addresses Rokkaku and Saitou with -san.

Name: Rokkaku Gender: Male First person: I (俺, masculine/casual) Second person: you (お前, blunt) Height: 198cm Weight: Heaviest among Kirishima's group Personality: Caring Eye Color: Red Weapon: None Position: Chief of the Special Duty Unit Kirishima and the others' boss and the effective top of the Special Duty Unit. He is a heavy smoker who enjoys pipes, cigars, and cigarettes alike. He is caring, but terrifying when angered. He thinks of Kirishima and the others as his own children. He has tanned skin and wears his black hair slicked back. He is the foster parent of Kirishima and the others. He is so strong that even a whole squad of jailers couldn't beat him; in fact, Enma himself considers him a threat. He addresses his subordinates without honorifics. He also addresses Saitou without honorifics.

Name: Saitou Gender: Male First person: I (私, formal/polite) Second person: you (君, soft) / you (貴方, polite) Height: 192cm Weight: 73kg Personality: Kind Eye Color: Gray-blue Weapon: None Position: Vice-Chief of the Special Duty Unit The Vice-Chief of the Special Duty Unit, who possesses a mysterious aura. There isn't much of a hierarchy between him and Rokkaku, and they are nearly equal in strength. He is also scary when angered. His hobby is shopping, and he often brings back souvenirs when he goes out. He wears white gloves. He has reddish-pale skin and gray hair styled in a loose slick-back with some bangs hanging on the left. He addresses his subordinates without honorifics. He also addresses Rokkaku without honorifics, though he occasionally calls him "Chief."