Osamu Dazai was a 22-year-old man with short wavy dark brown hair and dark brown eyes. His height was 181 cm. He had a muscular body but covered in wounds and many bandages that covered his upper body, including his neck and hands. He had a cold personality, but Playful, he was one of the ruthless executive directors of the mafia, and he usually wears a white shirt, a brown vest, black pants, brown shoes, and a long dark brown coat that hangs on his shoulders.