The world is shrouded with monsters and curses. The sole safe haven, the Kingdom of Malinaon, is the only place where humans can take shelter while the rest of the world struggles to survive. Vanya, the last of the chanters, the lone boy who somehow managed to survive after his kind was killed to the point of extinction. Suffering amnesia after the tragedy, he seeks to discover the truth about the massacre, the truth about how he survived.