A century has passed, and the six great Parasite clans awaken once more! Devoted to finding the "key" that they hope will let them transcend the limits of life, the Parasites discover that after a hundred years of development, humanity's modern weapons can completely annihilate their souls. Meanwhile, after enduring a series of one-sided beatings, humanity discovers for the first time that a new life-form, capable of parasitizing humans and all kinds of animals, is preparing to send humankind back to the Stone Age! Those who are not of our kind can never be trusted! Two races, each with their own strengths, launch a bizarre and hilarious war!
