Kingdomm Hearts II is a role playing game from a collaberation of Square Enix (famous for the Final Fantasy series) and Disney. Starting with the PS2 exclusive Kingdom Hearts, and the the Game Boy Advance exclusive Kingdom Hearts: Chain of Memories, this is the third game in the series.
It follows the exploits of Sora, an energetic boy from Destiny Islands; Donald, the court magician from Disney Castle, and Goofy, Captain of the castle's army. Other recuring characters include Riku, a boy also from Destiny Islands, who got swallowed up by the darkness; Xemnas, who is trying to take control of Kingdom Hearts and is leading the Orginization, and Namine, a mysterious girl who can change important memory links. There is also Kairi, Sora's best friend and possible love interest, King Mickey, king of Disney Castle, and Roxas, Sora's half and it is mysterious throughout this game as to who he is.