Dazai is a young man with mildly wavy, short, dark brown hair. 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. His eyes are sewn with brown buttons. 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. has bandages around his body.