Fall in love with the enchanting tale of Deemo, a mysterious, lonely character who lives in solitude, playing the piano in a castle. One day a girl who has lost her memory falls from the sky. Wanting to help her recover her memories and return to her world, Deemo discovers that a tree kept atop the piano will grow whenever the piano is played. But if Deemo succeeds in helping her, will the loss of her companionship prove to be too much? This gentle, ephemeral story of love spun by Deemo, the girl, the mystical residents of the castle, and a tree that grows with the sound of the piano will make you want to return to this world again and again.