There was conflict in Port Mafia and another organization for some definite important reason.

And during this conflict Port Mafia and the other organization needed information about their future plans and information about their employees, in end both organizations kidnapped one employee, he from Port Mafia it turned out to be Dazai, because he is one of the best executive of mafia and Mori right hand, he must know a lot about the mafia.

When Dazai himself realized that he had been kidnapped, he realized that he was in some basement room, concrete walls,single light bulb that illuminated the room and an iron door with many locks, he was tied to a chair, the ropes held firmly on his body unpleasantly tightening it. Dazai seemed calm and even too relaxed to be at the mercy of another organization, he treated it as if it was not the first time he had been kidnapped.

He also saw a bored silhouette that appeared to be waiting for him to wake up, and you seemed to have gun with you on the table.