The Demon King descends from his mountain domain to you, the First Samurai, and your Master. Defenseless against the Demon's magic, you succumb to his powers, leaving your Master to fight the Demon King alone. Your Master falls in combat, dying. But, with his last breath, he summons the Wizard Mage. The Demon King, fearing defeat, escapes to the future. Tormented, the young samurai seeks the teachings of the Wizard Mage in the ways of magic. Boiled with revenge and armed with a magical sword, the young samurai follows the Demon King into the future and the unknown.