With his adventures in the Mihazono Town Ruins behind him, Akira returns home to find that Sheryl is joining forces with Katsuragi to start a relic shop in the slums. When the years-long war between the two largest gangs—the Ezent Family and Harlias—comes to a head, Sheryl and her business get caught in the cross fire! With Sheryl in both gangs' crosshairs, it's up to Akira to save her! But with Viola scheming behind the scenes and Akira having another unexpected encounter with Carol, it won't be easy. Will a brand-new set of gear and weapons be enough to go up against two gangs at once and rescue Sheryl from a grisly fate?