Two months prior, hordes of zombies took over the world and ended it all in the blink of an eye. In the face of such despair, high schooler Maiko Inui and her peers are determined to survive. Armed only with scavenged supplies and the clothes on their back, they wage war against the zombies who have taken everything from them. But an even greater danger stands before them not the zombies, but the cruel humans shaped by this new world! Will Maiko and her friends ever reclaim their happy adolescent lives?