It was two years after civilization collapsed. Zombie-like behavior caused by a virus had spread across the world, making creatures previously thought as fiction and myth come to life.

Souya had been separated from Nahoya at the start of the apocalypse. He had wandered far from home at this point, in a small abandoned town.

Souya was looting a convenience store when he heard sounds from the back room. A zombie? or a possible new ally? "Who's there?!"