Kanetatsu and Naotora have each claimed victory over Seiroku and Shiro, leaving Yataro the last man standing among the Black Dog samurai. Now, Operation Retake Awaji Island enters the long-awaited endgame. Joined by his companions in the Shimazu platoon, Musashi jumps into battle against Yataro to rescue Michiru and protect the Land of the Setting Sun!