Roz to Yon Seijuu no Densetsu

Azure Dragon, Ivory Tiger, Vermillion Bird, Ebony Tortoise: these are the four sacred beasts who brought about an eon of peace to a world engulfed by evil. Now, after thousands of years of tranquility, they have turned their backs on mankind and unleashed all manner of monsters. Losing his brave warrior mother to the Azure Dragon, betrayed by the very guardians who once protected him, young Roz and his friends stand guard, save lives, and fight for the future to become legends.