What is a good summary about Kingdom Hearts

Kingdom Hearts is a game that pits Disney and Final Fantasy together with Sora (the chosen one for the Keyblade) while he fights Organazation 13 who are people without hearts or emotions.Sora also fights the Heartless (another evil species) that kidnapped Kairi.Another goal of Sora's is to help Riku turn back to the good side.Kairi and Riku are Sora's best friends that live on destiny islands however they were separated by a terible storm and Sora wants to get back to destiny island in one peace.A secret at the end told that Riku was the real chosen one for the Keyblade.