Ogura Soetsu is the son of a former member of the Seven Ninja Swordsmen of the Mist, now deceased. Now with his father dead Ogura must wield his father's blades and continue on his legacy. Despite wielding one of their blades, the Seven Ninja Swordsmen of the Mist refuse to recognize Ogura as a member. The days of the Bloody Mist have also returned to Kirigakure as an malevolent shinobi has taken over as Mizukage. Ogura now finds himself on the brink of a great adventure to save his village and to become a legend.