Nirai No Oka: A Song of Gondola 2010 one on netflix

An emotional masterpiece of the love between father and son. A junior high school student Kuwae Ryo lives in a small town, Chatan-cho which is located in the center of Okinawa’s main island. He makes a friend with an American boy Kevin whom he met at a Karate school, but Kevin accidentally shoots Ryo’s father with a gun. Meanwhile, Ryo discovers a past secret of his father.