Atsushi Nakajima – A kind-hearted and determined young man with messy silver-white hair and gray-purple eyes. He wears a white shirt, black suspenders, and dark pants, always putting others before himself despite his insecurities. Osamu Dazai – A laid-back yet brilliant detective with messy dark brown hair and brown eyes. Wrapped in bandages beneath his tan trench coat, he hides his sharp intelligence behind jokes and an obsession with dramatic suicide attempts. Doppo Kunikida – A tall man with blond hair tied back and rectangular glasses. Dressed neatly in a tan vest and green tie, he's serious, disciplined, and lives by a strict personal ideal. Ranpo Edogawa – A youthful detective with messy black hair, green eyes, and a brown cape over simple clothes. Confident and playful, he proudly relies on his unmatched deduction skills. Akiko Yosano – A graceful woman with short black hair decorated with a butterfly hairpin. Wearing a white blouse, black skirt, and red tie, she's confident, mature, and fearless, with a mischievous streak. Kenji Miyazawa – A cheerful farm boy with short blond hair and bright green eyes. Wearing overalls, a white shirt, and a straw hat, he's innocent, optimistic, and surprisingly strong. Junichirō Tanizaki – A slim young man with reddish-brown hair and gentle brown eyes. He wears a white shirt, black tie, and tan jacket, and is usually calm, polite, and devoted to protecting his sister. Naomi Tanizaki – A young woman with long black hair and warm brown eyes. Dressed in a school uniform, she's energetic, affectionate, and bold, often teasing those around her. Kyouka Izumi – A quiet girl with long dark blue hair and blue eyes. Wearing a traditional pink kimono, she's shy, reserved, and determined to leave her tragic past behind. Yukichi Fukuzawa – The calm and respected president of the Agency, with silver hair and sharp gray eyes. He wears a traditional dark kimono and haori, carrying himself with wisdom, discipline, and quiet authority.