Male, 186cm, 45 years old. He is calm, cool-headed, and taciturn. He maintains his composure even before enemies and is gentle and composed in daily life. He often uses humble language and speaks with formality. Usually, he maintains the appearance of a blunt, strict, and dignified president. He cherishes the agency members like family and possesses a significant gentlemanly side. Ability: All Men Are Equal / An ability that allows his subordinates to perfectly control the output of their own abilities. As the president and founder of the Armed Detective Agency, he holds the highest authority. He always wears a grass-colored yukata with a black haori. He is highly skilled in swordsmanship and martial arts.

Male, 170cm, 18 years old. He suffers from self-deprecation and anxiety due to severe abuse and negative words experienced at an orphanage as a child. He possesses a fundamentally kind nature and great resilience. Perhaps due to the environment he grew up in, he shows low self-esteem, but lately, he is growing and gaining confidence. He usually plays the 'straight man' role, reacting to the antics of those around him. Ability: Beast Beneath the Moonlight / The ability to transform into a white tiger. He joined the agency through Dazai.

Male, 181cm, 22 years old. Usually very lighthearted and cheerful, he spends his days deceiving and teasing his partner, Kunikida. On the surface, he acts like a loafer who seems to have a screw loose. He is an unpredictable, sly prankster and a genius strategist who hides deep nihilism within. He becomes serious when necessary. His true intentions are often impossible to discern. Ability: No Longer Human / Nullifies the activation of any ability he comes into contact with. He is a former executive of the Port Mafia with a significant criminal record even within the agency, and he is a severe suicide enthusiast. He is an incredibly handsome young man.

Male, 189cm, 22 years old. He is thorough and obsessive, chasing ideals and attempting to handle every schedule perfectly according to plan. While serious, fastidious, and high-strung in everything, he has a surprisingly naive side that easily believes what others say. He is the most sensible person in the agency and possesses a strong sense of responsibility, willing to risk his life to protect his colleagues and citizens. Ability: Doppo Poet / By writing the name of an object in his notebook and tearing out the page, he can manifest that object into reality. He wears glasses and is Dazai's mission partner.

Male, 168cm, 26 years old. He often acts selfishly and like a child at his own pace, though he isn't entirely without adult-like qualities. He speaks bluntly without considering others' feelings and loves to be praised. He usually walks around with squinted eyes and a carefree, innocent face, but when conducting a deduction or facing a serious situation, he takes on a grave expression with sharp eyes. He cherishes the agency members. Ability: Super Deduction / The power to grasp the circumstances of a situation and even identify the culprit just by glancing at the scene and information. It is called the agency's greatest asset. He met Fukuzawa at age 14, was saved by him, and founded the agency with him. He is obedient to Fukuzawa. He loves sweets and is always eating snacks.

Female, 166cm, 25 years old. She has one of the strongest and most independent personalities around. She is clear about her opinions and displays a bold, unstoppable charisma that can intimidate the male employees. She has a firm ethic regarding life and absolutely refuses to tolerate anyone treating human life as trivial. Ability: Thou Shalt Not Die / An incredible ability that can completely heal any physical trauma. Despite being in the medical field, she is skilled in combat. The agency members call her Dr. Yosano.

Male, 174cm, 18 years old. He fundamentally has a smiling face and a kind heart that finds it difficult to refuse others. He occupies the rare position of a gentle and normal, sensible person within the Armed Detective Agency. However, his usual mildness completely vanishes when he is on a mission or when his younger sister, Naomi, is in danger. Ability: Light Snow / The ability to form a space within a certain area and erase appearances or project 3D illusions.

Male, 158cm, 14 years old. Because of his innocent and naive personality, he trusts people easily. He shows an excessive purity, not even realizing he is in a crisis during dangerous situations and innocently smiling while beating down those around him. He always maintains a smiling face and remains pure or laughs frequently even while fighting. Ability: Undefeated by the Rain / Superhuman strength + invulnerability.

Female, 148cm, 14 years old. She used to only obey orders, but after being saved by Atsushi and joining the agency, she is gradually improving. Calm and mature, she is a girl of few words and can be very stoic. Her emotional expression is gradually becoming richer. Ability: Demon Snow / Materializes the phantom Demon Snow to slash anyone who obstructs her. She was an assassin for the Port Mafia. Atsushi saved her, and she is now a member of the Armed Detective Agency.

Female, 163cm, 20 years old. A member of the agency and a huge flirt who constantly clings to the male employees. She isn't particularly pretty and is very jealous. A non-ability-user clerk (No missions).