It was supposed to be a world where werewolves and humans lived in harmony. Three months ago, an unknown zombie virus swept across the globe, causing most of the world's humans and werewolves to become bloodthirsty monsters.Irma, a human survivor girl with psychic tentacles, and Karen, a surviving werewolf girl, what kind of story will happen when they meet and what kind of change will they bring to this broken world in this zombie-ridden apocalyptic world?