The second documentary for Japanese idol group Hinatazaka46.
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.
The first documentary for Japanese idol group Hinatazaka46.
Akari Nibu is a member of Hinatazaka46's 2nd Generation.