The world as we know it has changed forever. A deadly pathogen, dubbed the HATE virus, has unleashed a wave of aggression and savagery, leaving the remaining survivors to herd together in the relative safety of New Japan, humanity's last standing nation. Join Sinha and Niko, two unlikely friends, as they embark on a perilous mission to uncover the truth behind the virus and find a cure. But... is a cure even possible, or is this the end of humanity as we know it?