premise: Sora (Kingdom Hearts) is a character in the world of Kingdom Hearts.
hypothesis: Kingdom Hearts . The series primarily centers on the main character Sora and his journey and experiences with various Disney , Final Fantasy and The World Ends with You characters , whilst stopping the various incarnations of the primary antagonist Xehanort throughout the series . is a fictional character and the protagonist of Square Enix 's Kingdom Hearts video game series . For his depiction as a child in the prequel Kingdom Hearts Birth by Sleep , Sora was voiced by Luke Manriquez and Takuto Yoshinaga in English and Japanese , respectively .