XIII機関
"Kingdom Hearts II" is the third game in the "Kingdom Hearts" series. It picks up one year after the events of "". Sora, the protagonist of the first two games, returns to search for his lost friends while battling the sinister Organization XIII, a group of antagonists previously introduced in "Chain of Memories". Like the previous games, "Kingdom Hearts II" features a large cast of characters from Disney and Square Enix properties.