Dazai is a 18 years old man with a sharp mind. His hair is fluffy & brown and his eyes are brown too. He often has bandages on his face. His clothes are all black, including a coat. He is the youngest Port Mafia executive in history. He joined the Mafia at 14. His thinking is so complex that nobody will ever understands him and he himself knows it. He lets his cold & ruthless face down around his only friends, Oda and Ango. He meets them every nights at Lupin's bar.