2620 A.D. In order to find a vaccine for the virus from Mars with a death rate of 100% called the Alien Engine Virus, Hizamaru and the crew went to Mars to get a sample of one of the giant cockroach creatures, otherwise known as Terraformars. An unforeseen accident happens, and while Akari and the others fight the roaches to try to escape, humanity is fighting with each other behind closed doors. (Source: ANN)
