Together with Prince Alfonso of the Valiante Kingdom, Leon, who has succeeded the name of Golden Knight "GARO," commits himself to training a young Makai Knight for the future generation. Then they get an order to eliminate the most beautiful Horror in the world, which dwells in a nearby nation called "Vazelia." At the same time, an unknown person kidnaps a young Makai Knight for the future generation. Leon rushes after them, only to discover that he is surrounded by his foes and at a dead end. Then, a Makai Knight Dario, who had been absent for some time, comes and saves him. Leon is brought to town by him, where he encounters a very unexpected individual.