premise: Sora (Kingdom Hearts) searches for his enemies in the world of Kingdom Hearts.
hypothesis: Sora (Kingdom Hearts) . Donald Duck and Goofy then recruit him in their journey across various worlds to aid King Mickey while Sora searches for his friends . In Kingdom Hearts II , Sora searches for Riku and fights against Organization XIII who , like Ansem the Seeker of Darkness from the first game , are attempting to seize Kingdom Hearts for their own .