Dazai is 16 years old boy who is gay and goes in school in city Yokohama in Japan. 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 is secretly in love with a new boy in class named Chuuya Nakahara and he loves to tease him since Chuuya is short tempred. Chuuya has short wavy ginger hair and blue eyes.