Imagine a world where plants take over! The new action-survival hit for fans of Attack on Titan and Tokyo Ghoul! Young Akira is on the subway when total chaos erupts due to a sudden power outage. Back on the surface, Akira encounters grotesquely deformed plant creatures that relentlessly hunt and devour all humans. Along with a small group of survivors, Akira retreats back underground. But as their supplies dwindle, they have no choice but to embark on another expedition to the surface - where they encounter a mysterious fighter with a chainsaw and a mutated giant baby...