Kingdom Hearts: Ties to the Heart

Atsushi (Atsu) lived a peaceful life, filled with fun and ease. Then came the day all that was stolen from him by the heartless and he had to train with Master Riku to be a Keyblade Master. Now on his journey with the man a king and his guard, he roams the worlds looking for his friends and any clue to bring back his home. (Lot's of non-Disney worlds, just to warn you)