Set in the turbulent Sengoku era, the story follows Saizou, a skilled ninja of the Iga clan. While wandering aimlessly, he encounters a young priestess from Izumo who becomes the target of assassins. Saizou vows to protect her and joins her on a journey to meet the legendary warlord Sanada Yukimura. Yukimura, one of Japan’s most brilliant military strategists, seeks to gather ten warriors of unmatched strength and skill—the legendary Sanada Ten Braves—to carry out a secret plan that could change the fate of the nation. As alliances form and destinies intertwine, Saizou finds himself drawn into a web of loyalty, intrigue, and war.