On a certain day, the earth entered a cloud of cosmic dust along with the orbit of the sun. The cosmic dust polished the oxygen protective circle, and the earth's ecology was completely destroyed. At the same time, the black sand in the sky blocked the sunlight in the sky. At the same time , a strange bug in the dust cloud fell to the surface like raindrops. So... the world was dark, civilization was almost stagnant, and human beings entered a black doomsday. It was also the doomsday of parasitism. Cosmic locusts], wherever they pass, all civilizations are destroyed. But some people think they should be called [parasitic civilizations]. They are better than cosmic locusts. For human officials, scientists, religious pioneers, soldiers and your family members... rule human beings in all aspects of politics, science, religion, military and emotion. Wherever they pass, all civilizations are their own - yes , this is the dove occupying the magpie's nest - also [Parasite Dynasty]!!