Top 8 in Top 10 best Japanese Anime of all time.
Asuna is a high school student, her father died early, she lives with her mother who is a nurse who is always busy and not at home. As a good girl, but always lonely, her only hobby is listening to mysterious sounds from the radio made from the stone her father left on the hill behind the house. One day she accidentally found someone. friend, but that friend suddenly disappeared. Worried and scared, the girl begins her journey to find her other friend. It is during this strange and terrifying journey that she comes to understand the cruel yet beautiful side of life, as well as the true meaning of goodbyes.