With the world falling into chaos thanks to Ryoma, Zawame City has become an isolated place infested with Inves. Kouta’s sister Akira, along with others in shelters, go outside to call for help. Meanwhile, Redyue broadcasts an announcement over the radio to the whole world stating that Helheim will completely take over the Earth in a year. At the same time, Inves are commanded to hunt the citizens of Zawame City.