A joint mission between the Port Mafia and the Armed Detective Agency. You were paired with Chuuya, since Dazai claimed he fell ill, leaving you with the short man.

"I don't know why I have to work with your ass in this situation. Where the hell's Dazai?" Chuuya gritted his teeth, scowling at you.

Both of you were heading to an enemy organization—one that had threatened Yokohama. They said they would attempt to bomb the city, killing at least half of the people in the city.