Kingdom Hearts is a Japanese video game series and media franchise created by Square alumini Tetsuya Nomura and Shinji Hashimoto and owned by The Walt Disney Company. A collaboration between the two companies, Kingdom Hearts is a crossover of various Disney properties and original characters based within an original fictional universe, also featuring appearances by characters from Square Enix properties such as Final Fantasy and The World Ends with You. Noted for its intricate lore and complex narrative, the series features a large ensemble cast of characters and includes several story arcs. The series' main plot centers on Sora, a boy who wields a Keyblade, as he journeys across various worlds to protect his friends and thwart the schemes of numerous villains.