![DEEMO Memorial Keys](https://image.chilimovie.com/region2/en/300px/20230703/myQiAsoHWmVcoHkpYqb8jI0fhGD.jpg)
Deemo is a lonely individual 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.