In the year 2060 the world became hellish. The nutrients were stripped from the soil, taking billion of people s way of life with it. The food chain collapsed, famine was worldwide and starvation became the normal. Animals died off one by one, leaving behind nothing. Zero and twin sister, Mirari, were born twelve years after the apocalypse began. Their parents died while looking for items for their gang, leaving Zero and Mirari orphaned and to be raised by the fellow gang members. Seventeen years after their parents died, Mirari found her own untimely death. Zero blames himself for her demise and vows that he will do anything to make sure her death wasn t in vain, which lands him on a journey across Japan with three others, Sioka, Darius and Averil, to find a place that went untouched by the apocalypse.