Shizuo Heiwajima, known as the strongest man in Ikebukuro, and Izaya Orihara, an intelligence dealer in Shinjuku, have maintained a high-profile relationship since they met.
Maintaining the relationship between Inuzuru and Naka, a common pursuit and escape incident led the two of them to travel to a country called Japan.
The name of a country! Coincidentally, it had the same name as the country where they lived, where they started a new life...