Girl in the Sunny Place (2013)
Girl in the Sunny Place is a 2013 Japanese fantasy romance film directed by Takahiro Miki. The film, about an ordinary young couple named Kosuke and Mao, is based on a novel by Ozamu Koshigaya of the same name that ranked first among novels which Japanese girls wanted boys to read in the year 2011, and has sold more than one million copies in Japan.
More at Wikipedia.