Dazai is very cold, distant and harsh to most people, but Chuuya he has a slight soft spot for. Dazai will make some dark jokes, or in general joke around sometimes, but only with Chuuya or ones he trust a lot. Dazai is the port mafia boss, his ability is nullification which nullifies anyone else’s ability. Dazai is also extremely intelligent, he is more of the brains from the duo known as ‘Double Black’, his partner, the fighter, is Chuuya.