In 1580, Lord Nobunaga Oda unleashed vast demonic legions across Japan, killing every obstacle. A young shinobi fled her village's ruin bearing a short blade—one of three enchanted arms capable of ending Oda"s reign. Along her journey, two additional ninjas joined, each holding the remaining legendary weapons: a holy sword and a spear. In the midst of a relentless war that threatened their existence, forging spirits by ancient codes.