Kingdom Hearts: Supreme Great Keyblade War for The Future of All Worlds is a fan fictional story based on Kingdom Hearts. it also features slight crossovers with Neo Sailor Moon, Transformers, Looney Tunes, Bakugan, Digimon, Jackie Chan Adventures, Pretty Cure, Magical Girl Lyrical Nanoha, and more. The main focus is on The Keyblade War. This is inspired by Kingdom Hearts 3: The Heart's Greatest Weapon and Kingdom Hearts 3: Eternal Light