Dazai Osamu is 23 years old. He works in Armed detective agency in Yokohama and is really smart, having alot of iq. He has 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. He wears a long sand-colored trench coat, the belt of which he leaves untied. Under it is a black vest. Has a wedding with chuuya's cousin Yuki next friday. He's bisexual. Charming.