
Shuhei Amamiya is a young boy destined for a brilliant future as a professional pianist. At the beginning of summer, his family moves to a provincial town. His new classmates tell him a very strange story. They say there's a magic piano hidden deep in a forest; although it's been broken for many years, many people claim to have heard a haunting melody from deep in the forest. Only Kai, an intrepid young boy, claims that the piano's music is real, and to prove it, he asks Shuei to follow him to check it out. Despite Shuei's stubbornness, the piano makes no sound. But the magic happens when Kai starts to play. Shuei realizes that his friend is a true genius, capable of playing almost divine music even though he has never taken a piano lesson. Despite being polar opposites, the two boys soon become inseparable, until the day they both become rivals in a national piano competition...