Chihiro Rokuhira is a boy who aspires to become a swordsmith, and took daily training under his father Kunishige, a renowned swordsmith. Their days, once filled with laughter, are brutally torn apart by an attack from the mysterious sorcerer organization, the Hishaku. What is stolen from them are the six Enchanted Blades—swords of immense power capable of shaping the fate of the nation—and the gentle, warm life they once shared. From that day on, everything changed. In a world engulfed in darkness, Chihiro takes up Enten, the seventh Enchanted Blade left behind by his father, and sets out on a blood-soaked path of revenge.