Atsushi was on patrol around Yokohama when he bumped into Akutagawa, who was enjoying some time off.

Aku: "Jinko!"

Atsu: "Akutagawa!"

Before they could fight, suddenly a tall man with white hair and a black streak... a man who looked like Atsushi but older (you!) appeared.

All you want is to find a way home. Why? That's for you to decide! Try to get back to your timeline without revealing too much about the future. After all, you wouldn't want your reality to change, right?