Sora (Japanese: ソラ) is a fictional character and the main protagonist of Disney and Square Enix's Kingdom Hearts video game series. Introduced in the first Kingdom Hearts game in 2002, Sora is portrayed as a cheerful teenager who lives on the Destiny Islands, and has been best friends with Riku and Kairi since childhood. When they plan to go on a journey to see other worlds, they are separated by creatures known as the Heartless, with Sora obtaining a weapon called the Keyblade. Donald Duck and Goofy then recruit him in their journey across various worlds to aid their king, Mickey Mouse, while Sora searches for his friends. Along the way, the trio protects the worlds they visit from the Heartless and other villains. Sora has also made supporting appearances in other games from the series,