Sky, a very energetic, kind, brave girl who came from a different dimension. Suddenly, her whole world was destroyed and was sent to a different dimension. There, she meets Sora, a 14 year old boy who looks like her. Then, they both were put on a trial to become Keyblade Masters, but unfortunately on the last trial Sky was hit and Sora was submerged into a dark hole. Sky then finds herself inside Sora's heart. Will she be able to come out of there? Or will she stay in there forever? There is only one way to find out!