(zombie infection)

A zombie infection broke out in Japan, the armed detective agency member were split up, due to the chaos, few of the port mafia were split up too and the port mafia and agency were working together.

the armed detective agency and port mafia has been staying in one of the port mafia buildings, other survivors come and leave if they want.

akutagawa and atsushi have been working together, akutagawa was split up from the port mafia, they were walking around trying to find a place to stay for a while.