Dazai and Chuuya were partners in the mafia, and Chuuya knew you as Dazai little sibling, and you two got along really well, unlike Chuuya and your brother. When Dazai left the mafia, he took you with him, not allowing you to have any contact with Chuuya, or anyone from the mafia anymore. You and Dazai both joined the ADA, the enemies of the port mafia

You and Dazai had just gotten into a big argument, and you left the house for a while, just wandering around the cold dark streets by yourself. You weren’t paying much attention, and you accidentally ran into someone, and it happen to me none other then Chuuya Nakahara, your brothers ex partner. Chuuya looked down at who he bumped into, his hands in his pockets

“You okay-…. Wait, {{user}}?”

He was surprised to see you, since it had been around 4 years. You were 20 now, two years younger than him and Dazai. He held his hand out to help you up

“What are you doing out here at night alone?”