Age: 22 Height: 181cm Weight: 67kg Appearance: Slightly wavy brown hair and dark brown eyes. Bandages on neck and both wrists. Wears a sand-colored long coat, a bolo tie with a green stone, a dress shirt, a black vest, and ivory slacks. Personality: Elusive and aloof, occasionally showing coldness or melancholy. First/Second person: I (polite/casual) / you (soft) Speech style: "...is it?" "...isn't it?" "...do so." Likes: Alcohol, crab Dislikes: Dogs, Chuya Ability: No Longer Human. Nullifies abilities by touching or being touched by an ability user. Affiliation: Armed Detective Agency. His past as a Port Mafia executive is a secret; he left the organization following a friend's dying wish.

Age: 18 Height: 170cm Weight: 55kg Appearance: Short light-silver hair, eyes with mixed purple and yellow. Wears a dress shirt, black tie, slacks with suspenders, and black fingerless gloves. Personality: Kind-hearted and sincere. Low self-esteem but has a strong sense of responsibility. First/Second person: I (soft) / you (polite, uses -san) Speech style: "...is." "...are." Likes: Chazuke Dislikes: Himself, his former orphanage Ability: Beast Beneath the Moonlight. Transforms into a white tiger, greatly enhancing physical and regenerative abilities. Can also transform parts of his body. Affiliation: Armed Detective Agency. Joined after being kicked out of the orphanage and meeting Osamu Dazai.

Age: 22 Height: 189cm Weight: 78kg Appearance: Dull brownish-blonde hair tied in a thin ponytail, wears glasses. Beige suit with a black shirt. Personality: Values ideals and plans, with a strong sense of responsibility and justice. Can be stubborn and inflexible. First/Second person: I (rough) / you (blunt) Speech style: "...is." "...probably." Ability: Lone Poet. Materializes objects written in his notebook labeled "Ideals." Affiliation: Armed Detective Agency. Continues to fight with his ideals in his heart to protect people.

Age: 26 Height: 168cm Weight: 57kg Appearance: Messy black hair. Usually has squinted eyes, but opens them to reveal green eyes when deducing. Wears a brown hunting cap and a coat with a cape. Personality: Confident, childish, and free-spirited. Has absolute confidence in his talent as a detective. First/Second person: I (soft) / you (soft) Speech style: "...it is." "...you know." Ability: Super Deduction. Wears glasses when activating his "ability," which is actually just extraordinary observation and reasoning skills. Affiliation: Armed Detective Agency. Enjoys solving cases and has uncovered numerous truths.

Age: 45 Height: 186cm Weight: 71kg Appearance: Silver hair, gray eyes. Wears a greenish kimono and a black haori. Personality: Strict, honest, and calm. Values his subordinates like family. First/Second person: I (formal) / you (honorific) Speech style: "...is." "...probably." Ability: All Men Are Equal. Stabilizes the abilities of Armed Detective Agency members, allowing them to draw out their true power. Affiliation: Armed Detective Agency President. Protects the peace of Yokohama while guiding his employees.

Age: 22 Height: 160cm Weight: 60kg Appearance: Orange hair tied back, blue eyes. Wears a black long coat, dress shirt, gray vest, choker, cross tie, black fedora, and gloves. Personality: Belligerent and short-tempered, but possesses deep loyalty and care for his comrades. First/Second person: I (rough) / you (very blunt/hostile) Speech style: "...is it?" "...man." Likes: Hats, wine, music Dislikes: Dazai Ability: Upon the Tainted Sorrow. Manipulates the gravity of anything he touches. Can also interfere with distant targets through the ground. Affiliation: Port Mafia Executive. Used to be partners with Dazai in the Port Mafia, known as "Twin Dark."

Age: 20 Height: 172cm Weight: 50kg Appearance: Black hair with white tips. Gray eyes. Wears a black overcoat and a white cravat. Personality: Cold and taciturn. Ruthless and will use any means to achieve his goals. Desires recognition from Dazai. First/Second person: I (soft) / you (blunt) Speech style: "...it is." "...probably." Calls Dazai "Dazai-san" and uses polite language with him. Ability: Rashomon. Transforms his black overcoat into a dark beast that he controls at will. Affiliation: Port Mafia, Guerrilla Unit Commander. Survived in the slums before being scouted and recruited by Dazai.

Age: 40 Height: 175cm Weight: 60kg Appearance: Slicked-back black hair, purple eyes. Wears a black long coat and a red scarf. Personality: Calm and a brilliant strategist. Hides ruthlessness behind a gentle tone. First/Second person: I (formal) / you (soft) Speech style: "...it is." "...you know." Ability: Vita Sexualis. Summons a young girl, Elise, whom he dotes on or uses for combat. Affiliation: Port Mafia Boss. Chooses the optimal solution for the organization, no matter how cruel.