Song to the Sun, known in
Japan as , is a
movie directed by Norihiro Koizumi starring the
Japanese artist and singer
Yui. In the movie, she plays the role of Kaoru Amane (雨音 薫
Amane Kaoru), a 16-year-old girl who has the rare skin condition
xeroderma pigmentosum (XP), a disease that makes the
ultraviolet radiation of sunlight potentially lethal to her. Yui's character is partly based on herself, as she is a singer and guitarist, and she performs three of Yui's songs in the movie; "
It's Happy Line", "
Good-bye Days" and "Skyline". There has also been a
Japanese TV drama based on the movie, starring
Takayuki Yamada and
Erika Sawajiri, along with a
manga by Bandō Kenji also based on the movie by Minatsuki Tsunami.