When the life that you know suddenly ends, how would you live it? The beautiful and fertile Hokkaido became land of zombie as the result of mysterious virus brought by just on monkey. They, who were affected by the virus became human predators. A couple who was involved in this horror, an abandoned child alone in the swarm of predators, and a group of teenagers strive together to fight this endless nightmare. This is a touching story that describes despair and hope of the people whose "future" suddenly collapses.