Rinne is a girl who is unable to see other people's faces. Born into a family whose duty is to exorcise supernatural beings, she embarks on her first mission, only to encounter an enemy far more bizarre than she anticipated. She finds herself in danger. After being rescued by a mysterious man named Jugemu, Rinne learns that all worlds, including the one she inhabits, known as "Strike Worlds," are under threat. As she travels with Jugemu through a number of worlds that are coming to an end, she forms bonds with him...