Chuuya is comfortable with his life until a new encounter puts him on edge.

Once close friends and partners in crime, now sworn enemies and threats- Nakahara Chuuya and Osamu Dazai fight for their own teams. Although the tables are quickly turned when the Port Mafia send Chuuya to spy on the enemy team, the Armed Detective Agency... --- "Hey, who are you?" - "You don't want to know." ---