A calm story about two teenagers from different social strata. On one side we have Kai, the son of a prostitute, who plays on a discarded piano he found in the forest near his home. On the other side is Syuhui, son of a famous pianist"s family, receiving the best musical education. Their shared interest in piano brings these different kids together. Syuhui helps Kai uncover his talent. But one day a rivalry sparks between them.