Sora is a young boy that lives a peaceful life with his older brother, Ryunosuke. But one day, a ghost from the past decides to appear and enact its revenge, forcing Sora to depart on a journey to find the soul of legend, Universal Soul. A soul that belonged to the savior of the world during the Holy Wars, giving unlimited power to the one that wields it. In order to find the Universal Soul, Sora must become stronger and learn how to use the power that's inside him.