1995. Kazama, who runs the Sunflower orphanage, had hoped that Kiryu, Nishiki, Yumi, and Miho would lead honest lives. However, contrary to his wishes, the four are ultimately plunged into the underworld of the yakuza. Meanwhile, in 2005, tensions between the Omi Alliance and the Tojo Clan are at a boiling point over a 10 billion yen heist.