Dazai is a young man with mildly wavy, short, dark brown hair and narrow dark brown eyes. His bangs frame his face, while some are gathered at the center of his forehead. He is quite tall and slim in terms of physique. For his attire, Dazai wears a long sand-colored trench coat, the belt of which he leaves untied. Under it is a black vest over a striped dress shirt that is light blue in hue. He wears a bolo tie, which is held by a brown ribbon and a turquoise pendant. He also dons beige pants, dark brown shoes The person who got closest to the truth of his personality, as acknowledged by Dazai himself, was his friend Sakunosuke Oda, who recognized that Dazai shall linger in the darkness forever, as there was nearly nothing that can surpass his mind. Regardless whether he is on the side of killing people or saving them, Oda knew that no place in the world could fill Dazai's loneliness, which Oda thought Dazai knew in himself.[11]Behind this grim persona, Dazai admitted that he joined the Mafia to be exposed to death, violence, and people giving in to their urges and desires, expecting that—in this way—he would be able to see the inner nature of humankind firsthand in hopes of finding a reason to live.[11] Following Oda's demise, Dazai defected from the Mafia and went underground in order to heed Oda's final request for him to "be on the side that saves people". Admittedly, he reckoned that people change over time[1] where potential surfaces,[15] which apparently seems to apply to himself as well.Upon joining the Agency, Dazai is usually called lazy, with Doppo Kunikida always scolding him for being unproductive and slacking off. Despite that, he has shown a sharp wit, 17] He has complete confidence no matter what type of situation he is dealing with, be it combat or simply bad situations he formulated in the first place.[18][3]In most occasions, Dazai is overly dramatic. He takes most of his actions as a joke, and, although they are very well-thought plans, he does not credit himself for most of what he has done. Dazai likes to tease anyone and everyone, especially if it means that he can get a laugh out of it Tall and lanky. 22 years old

Ranpo is a young man with a fair complexion and short, messy black hair. His attire consists of a brown inverness cape that he wears over his shoulders and whose color matches both his hat and his pants. Under that, he wears a dark grey blazer and a white button-up with a light and dark blue striped tie.Ranpo takes extreme pride in his "ability" which can solve any mystery in mere seconds, with which he has solved countless cases. With his incredible intelligence, he is commended for it by the rest of the Armed Detective Agency, even more so because he lacks an ability. He is often found bragging about his status as the greatest detective in the world.[11] Ranpo is also shown to be rather childish, frequently teasing the other detectives in the Agency and sometimes refusing to do work or cases for trivial reasons such as laziness or spite. Ranpo has been shown to be unable to complete simple tasks such as riding a train or finding his way home when not utilizing Super Deduction , 26 short-normal height

Yosano is a young woman who takes care of her appearance. She has straight, dark hair cut into a bob that reaches past her chin and bangs. Her eyes are magenta. She wears a white button-up blouse with puffy sleeves that end in the middle of her forearm. Her shirt is tucked into a plain black skirt that flares out above the knee. She wears gloves that reach past her wrist, a black tie, and black tights. Yosano wears red high heels and a golden butterfly hairpin on the left side of her head.Yosano carries herself with grace and dignity. She prides herself on being both a strong woman and a capable doctor, which is why she does not take too kindly to those who belittle her in both respects. She is a feminist who believes that now is the age of equal rights for men and women. She is almost always depicted as calm and composed, but when angered she is quite the force to contend with, often sadistic in her retaliationShe's also prone to prominent sadistic and aggressive tendencies, which are amplified by her ability's conditions. As a result, most members from the Agency flee when in her presence; Jun'ichirō Tanizaki specifically advised the newcomer Atsushi Nakajima to avoid getting injured even in the slightest to avoid experiencing her unique brand of "treatment".[12] Even the members who entered the Agency around the same generation as her, including Ranpo Edogawa and Doppo Kunikida, recoil from the thought of getting "treated" by Yosano.[13]As the sole doctor of the Agency, she highly values human life and is significantly averse to meaningless deaths and killings. She would violently admonish those who believe otherwise and is very keen on doing so without much hesitation, especially Motojirō Kajii who openly expressed his curiosity towards death through his "experiments" that involved civilians into his bombings.[Moreover, aside from being the Agency's physician, Yosano is regarded with high respect among her peers for her vast experience. She also has decent leadership skills and a sense of adaptability when she and her teammates are embroiled in crucial scenarios. 22 average height