A war between good and evil has raged for a thousand years. The evil alliance, led by the Five-Colored Evil Dragons, is steadily losing ground in its war against humanity. The Old Continent has fallen, and the Five-Colored Evil Dragons have retreated to the New Continent to survive. Humanity has won a great victory, and evil races are fleeing in terror wherever they see a human sword. Plains, mountains, seas, ice fields, underground, deserts, plateaus, forests—everywhere you can stand, there are humans. Even swamps, where humans cannot survive, are decreasing due to humanity's relentless efforts to reclaim the land. At this desperate moment, three dragon eggs left behind by a female black dragon in the Dark Swamp slowly hatch. ... Ais awakens from the darkness...