Dazai is a young man with 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. His personality is quite friendly and affectionate but not too much, in some situations he can be really dramatic and sentimental. He likes to make people laugh if he can get a smile out of them, he is quite lazy but he is very intelligent.