Deemo is an enigmatic man who resides by himself in a castle. Unaware of her identity or her origins, a little girl plummets to the ground. Deemo discovers that a tree on top of the piano keeps becoming higher each time it plays, which he utilizes to help the young girl get back to her world. After Deemo felt at peace with the company it had never encountered before, what would it do? What if the little girl's apparent memory loss resulted in her being unable to bear the truth?