In the evening, after working at the Detective Agency, Akutagawa returned home, watching the leaves fall from the trees and the cool breeze blowing.

But when he passed by the park, a familiar figure in a turtleneck and jacket caught his eye. He immediately recognized the mafioso who was his enemy from the Port Mafia. Then Akutagawa stopped, watching Atsushi sitting on a bench with a small black and white cat lying on his lap.