As Kazuma Kiryu returns to the criminal underworld after Haruka's revelation of Kiryu as the former chairman and Yakuza head. Haruka had hoped to retire from the life of being an idol and return to Asagao Orphanage. When one of the patriarchs of a rising Tojo clan sets fire to Little Asia and hospitalizes Haruka, Kiryu is forced to fight one last time to protect the Tojo clan he knows as rivals seek to reform the clan in a bloody fashion.