BSD/ Bingo stray dogs.

Ryunosuke Akutagawa
Appearance
Akutagawa has a slender build and very pale skin. He often covers his face with his hand because he coughs. He has short, curly black hair with bangs that reach his chin and are gray at the tips. His eyes are piercing, dark gray. He wears a long black coat that reaches below the knees, black fitted pants, and black dress shoes. Under the coat, he wears a white shirt with layers of pleated fabric and a white frill. On days off, he might wear a simple black coat and tinted rimless glasses. Personality and views
Akutagawa holds a rigid, social Darwinist worldview: he believes the weak must die and make way for the stronger. He is unafraid of pain and defeat if it will help him earn the approval of "a certain person." His ruthless and vicious nature makes him one of the most dangerous members of the Port Mafia. He is willing to commit cruel acts for the sake of the organization and his own interests. However, he dislikes senseless torture and prefers to kill outright whenever possible. He maintains an aloof demeanor with both subordinates and superiors, but his composure is fragile—he easily loses his temper. Ability
His ability is called "Rashomon." It allows him to transform his clothes (and any other clothes) into a black beast that can devour everything, including space. Furthermore, strips of Rashomon cloth can transform into sharp blades for blocking blows and capturing prey. History
Before joining the Port Mafia, Akutagawa was an orphan living in the slums. He was recruited by the Mafia due to his ability and became Dazai's apprentice, who trained him quite harshly.
After Dazai left the Mafia, Akutagawa began targeting the surviving Mafia soldiers to force Dazai to acknowledge him.
Relationships with other characters
Osamu Dazai. Their relationship is complex and contradictory. On the one hand, Akutagawa idolizes Dazai, on the other, he considers him a disgrace.

Chuya Nakahara
Appearance
Chuuya is a young man of short stature but with a muscular build. He has bright red hair, which he wears in a ponytail combed to the left side, and large eyes—brown in the manga and gray-blue in the anime adaptation. He often wears a black hat with a ribbon and a silver chain, and his attire includes a white shirt under a vest, a bolo tie, a cropped jacket, and a long black coat.
Character
At first glance, Chuya appears to be a temperamental, arrogant, and rude person. He loves fighting, happily demonstrates his combat skills, and is very proud of his reputation as the strongest martial artist in the mafia. In combat, he doesn't hesitate to taunt his opponents. However, behind this outward bravado lies a more complex character. He is capable of compromise and rational decisions when necessary. Chuya is not inclined to thoughtlessly sacrifice people's lives, although he is willing to eliminate the mafia's enemies by any means necessary. Ability
His ability is called "For Corrupted Sadness" (Yogorecchimatta Kanashimi ni). It allows Chuuya to manipulate gravity: he can alter the gravitational pull of objects he comes into contact with, create and manipulate gravitons. With it, he can walk on walls, "deflect" incoming bullets, and even create craters beneath his feet.
The ability has a true form—"Corruption." When activated, Chuuya loses control: his physical capabilities increase dramatically (he can, for example, smash through a tank with his bare hands), and miniature black holes form around him, consuming everything around him. However, without Dazai's help to neutralize his ability, Chuuya will be unable to stop and will ultimately perish. His ability, "Arahabaki," is named after an ancient Japanese deity associated with destructive force. Chuuya was formerly a member of the Sheep group, but was betrayed by its members.
His relationship with Dazai is complex and contradictory: they constantly tease each other, but in critical situations they trust each other.

Atsushi Nakajima
Appearance
Atsushi has silver hair, pale skin, and yellow eyes with a purple tint. The hair is cut short on the right side of the face, and on the left side it is long, with a noticeable black stripe. He is of average height and thin build. Atsushi's
childhood was difficult: he lived in an orphanage, where he was humiliated and abused by the principal. Because of this, he grew up with low self-esteem, hated himself, and was fixated on the past. He often made bad decisions, relying on other people's opinions.
However, at critical moments, his will grew stronger, and he was ready to risk himself for the sake of others. Atsushi had a strong sense of morality and sought to protect the weak. Ability
: His ability is called Beast Beneath the Moonlight. It allows him to transform into a white tiger with great strength, speed, endurance, and regeneration.
Initially, Atsushi was unable to control his ability, as he didn't even know it existed. Over time, while in the Armed Detective Agency and influenced by the ability of his mentor Osamu Dazai, he learned to manage it better. The transformation can be partial (with the appearance of tiger stripes and fangs) or complete (with the transformation of limbs into brindle and the appearance of a tail). By chance, he saved Osamu Dazai, who was drowning in the river. Dazai, upon learning of his ability, recommended that Atsushi join the Armed Detective Agency.

Dazai Osamu
Appearance
A young, slender man with partially wavy, short dark brown hair and narrow, dark brown eyes. His body is wrapped in bandages—the result of wounds sustained in battle, as well as repeated suicide attempts. He usually wears a long, sand-colored trench coat, beige trousers, and dark brown boots. Character and personality
Dazai has a cocky and cheerful personality, yet remains self-sufficient. He periodically attempts suicide, causing inconvenience to his colleagues. His true motives are revealed only when he reveals them. Beneath his carefree and relaxed demeanor lies a keen mind, cunning, and genius. Dazai is capable of devising complex, multi-move combinations based on the smallest details and predicting the actions of others. He remains calm in battle, even in the most extreme situations. He enjoys teasing his colleagues, such as Doppo Kunikida.
Ability
"Incomplete Human" (人間失格, Ningen Shikkaku) is an ability that allows Dazai to neutralize another esper's abilities through direct physical contact. However, this ability is not effective over distance, which is a significant drawback. Dazai can also nullify the ability while bound by touching a specific area of ​​the opponent's skin.
The ability is considered very powerful, and according to Ranpo, there is no person with similar powers among the countries of Europe.Backstory
At 14, Dazai attempted suicide for the first time. After an unexpected rescue, he was accepted into the Port Mafia by its leader, Ogai Mori. Dazai later became the youngest captain in the Port Mafia's history, one of its five leaders. He decided to leave the organization after the death of his friend, Sakunosuke Oda, who, before his death, asked Dazai to join the side that "saves people." Dazai soon became a leading member of the Armed Detective Agency. In the past, Dazai specialized in torture and was the mentor of Ryunosuke Akutagawa.