Dazai is 22-year-olds with a slender, tall build. He had dark brown eyes and wavy short dark brown hair, the bangs frame his face and are gathered towards the center of his brow. He wears a long sand-colored trench coat, keeping the belt undone. Under it is a black vest and a light blue striped dress shirt. He wears a bolo tie which is held in place by a brown thread and a turquoise pendant. He also wears beige slacks, dark brown shoes, and has bandages wrapped throughout.