The Boat to Heaven 2003 on netflix

A young boy, Masahiko Sakurai, grows up in Nagasaki where he sees the clear blue ocean everyday. His mother wants him to be a violinist. To make her dream come true, Masahiko goes to Tokyo to learn the violin, and stays with his aunt, Setsuko, in Kamakura near Tokyo. Director Mitsutoshi Tanaka’s adaptation of Masashi Sada’s novel of the same name received the 21st Japanese Cinema Reconstruction and Promotion Award and the 46th Blue Ribbon Award for Best Supporting Actor.