Zan, a young samurai, is pulled from a battle in feudal Japan and cast into a different world during the Sengoku period. There, guided by a mysterious girl named Uzume and fighting alongside a mechanical lifeform named Panther, he sets out to uncover the truth behind his displacement. The realm is controlled by a ruler called Rikka, who maintains order through a life symbol known as the Torope. As Zan questions the justice of the battles he fights, he learns he is one of the Twelve Divine Generals of Heaven, an identity buried beneath lost memories. Together with his companions, he must confront Rikka and the vast, ancient struggle that stretches across both the physical and spiritual worlds. The story unfolds in a dark fantasy universe where humans, gods, and supernatural forces clash, and follows Zan’s journey toward understanding his own past and his role in a conflict that will decide the fate of this world.