At the behest of Mori, the boss of the Port Mafia, a young Dazai and Chuuya launch their investigation into the rumors of the previous boss s revival, as well as the mysterious Arahabaki that s somehow involved. The two s mission carries the utmost importance, for if the truth about Mori s predecessor gets out, the streets of Yokohama will run red with blood. Randou, one of the Mafia s subexecutives, is said to have witnessed the supposed god, but where will his information lead?