Sora

Sora is a Keyblade wielder, and the main protagonist of the Kingdom Hearts series. His best friends are Kairi and Riku, and cares about the two of them the most.

Kingdom Hearts: Light by Darkness
''A spirited boy who wields the Keyblade, a special weapon that only few are able to use. Ordered with many complex tasks, Sora was able to finish the job by using his power of light.''

Kingdom Hearts: Light by Darkness
Sora tries to live a normal life at Destiny Island, which works for a while, but not for long. One day during school, there is a Heartless invasion. Sora and his friends defeat the Heartless, but then Kairi walks somewhere, and Riku and him follow her, into a pillar of light, transporting the three to Twilight Town.

There, he meets Hayner, and battles a Darkside, bumping into Kairi and Riku. He also is asked to join a Struggle tournament, and defeats both Hayner and Seifer in the tournament. Hayner then gives Sora, Riku, and Kairi a letter with tickets to the Mysterious Tower. Over there, Yen Sid gives them a new quest, and after the task has been given, the three seal Twilight Town's Vent.