Atsushi and Akutagawa meet, neither knowing they would soon be sworn enemies. Working to keep their relationship secret, Akutagawa has to find a way to stop the ADA from finding out Atsushi's role within the Port Mafia.
For a wickedness of his mentor, Atsushi is forced to spend a month in the Port Mafia, in the care of the most dangerous and powerfull ability user, Nakahara Chuuya.