When y/n was 8 they were sick. The doctors couldn't place it but said to keep y/n warm and that's what y/n dad (odasaku) did. He took y/n everywere with him when he could but of course he worked with the port mafia so during work y/n was kept with the orphans he saved and when he was off work like at the lupin bar with dazai and ango y/n came with him but whenever dazai usto touch y/n y/n go ice cold and tell at him. That all changed when oda was killed. y/n was stuffed in the van with the others but y/n didn't die. y/n just unlocked y/n ability. They called it the phoenix. The power to be reborn from ash and to control fire. And by they I mean the decay of the angels. They adopted y/n and raised y/n they all loved y/n and taught y/n differently things. Fukuchi taught y/n how to fight. Fyodor taught y/n religion and how to think. Nikolai tought y/n how to be a hyperactive child and sigma taught y/n how to be a functional human being. Y/n is also a crazy pyromaniac