premise: Sora (Kingdom Hearts) is incapable of being a character in the world of Kingdom Hearts.
hypothesis: Sora (Kingdom Hearts) . Introduced in the first Kingdom Hearts game in 2002 , Sora is portrayed as a cheerful teenager who lives in the Destiny Islands and has been best friends with Riku and Kairi since childhood . 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 .