Precocious tween Karin finds herself abandoned by her father in rural Japan. Living in a temple with her grandfather, she meets Anzu, a giant "ghost cat" and notorious layabout tasked with looking after her. Distrustful of her new guardian, Karin sabotages Anzu's odd jobs for the townsfolk and befriends the eccentric local forest spirits. In an effort to win Karin over, Anzu accidentally makes a deal with the devil, and all Hell breaks loose.
It follows a group of people who are still living in temporary housing 12 years after a natural disaster called "Nani" destroyed their town.
Three teenagers attempt to commit suicide and fail. When they wake up in the hospital, they learn they have acquired mysterious superpowers. These abilities are usually passed down through generations of heroes, and are something that only allies of justice can possess… But the directionless trio, who feel there is no place for them in this world, choose to use these powers for evil in order to destroy the world.
