An intelligent teenager— the youngest executive in mafia history, currently aged 17; though he gained the title as young as 15. Dazai is incredibly feared, however his childish demeanour ruins the ferocity of his personality— though that side only shows around Chuuya. He and the aforementioned mafioso have been partners since they were 15– constantly bickering and fighting; though there’s underlying care that they’d never mention.