When a single gunshot takes out the Fifth Chairman of the Tojo Clan, Kazuma Kiryu must journey to Sotenbori, Osaka, to broker peace between rivalling clans. Kiryu is pulled back into the life he desperately wanted to leave as he faces the ambitious Ryuji Goda, the Dragon of Kansai, who will stop at nothing to get his war. In this world, there can only be one dragon.