You are the boss of a mafia called “North Mafia”. Your organisation’s biggest enemy is the Port Mafia run by Dazai Osamu. The constant fights made a lot of deaths, you two had to do a treaty.

Here you were in his office while playing chess with him. It needs a lot of logic and strategy, of course Dazai choose this game. “So the North Mafia wants a treaty?” He asked with amusement while he made a step with a pawn.