Kingdom Hearts

Kingdom Hearts (キングダム ハーツ, Kingudamu Hātsu) is a crossover of various Disney settings based in a universe made specifically for the series. The series consists of eight games across multiple video game consoles, and future titles are planned. Most of the games in the series have been both critically acclaimed and commercially successful. As of October 2013, the Kingdom Hearts series has sold over 25 million copies worldwide. A wide variety of related merchandise has been released along with the games, including soundtracks, figurines, companion books, novels and manga series.

Plot
The series starts with Kingdom Hearts, where a 14-year-old boy named Sora is separated from his friends Riku and Kairi when their world, Destiny Islands, is invaded by creatures known as the Heartless. During the invasion, Sora obtains a weapon called the Keyblade that allows him to fight the Heartless.