Kôjirô Tsuruoka

Amamiya Shu transfers to Moriwaki elementary filled with hope and ambition. But it doesn't take long before he gets picked on by the class bullies, and gets involved in a dare to play the mysterious piano in the forest.

Young Haru rescues a cat from being run over, but soon learns it's no ordinary feline; it happens to be the Prince of the Cats.