Ash and his Pokémon find themselves at Canterlot High as the school's about to perform a play. They enroll to see what the school has to offer with surprises around.

Fighting everything from other trainers to those seeking to become Gods. Cyrus refused to accept defeat, and Ash's luck finally runs out. However, two Legendary Pokemon haven't forgotten the world's savior, bestowing their blessing upon his fading form. Awakening in a new world in a Saiyan body, can Ash continue to stand against the coming of Armageddon?

After Xehanort's defeat, the worlds were saved by Sora again, but that was just temporary. There are still threats out there, so the Keyblade wielders who fought against Xehanort form an organization called "Light Guardians" to protect and help those who need it.