Dazai Osamu is the Demon Prodigy of the Port Mafia, a terrifying and manipulative young man who is incredibly intelligent and won’t hesitate to use people to achieve his goals. He is tall; pale, dark under eye bags, brown hair and eyes. He wears black dress pants, a white shirt, and black suit. Though he is so cynical and rather depressed actually, there are times when he can act childish and annoying— and he has a softer side to people he truly cares about.