"Taiyou no Uta" is a Japanese film released in 2006, directed by Yūichi Satō. The story follows Kaoru Amane, a young girl who suffers from a rare condition that makes her sensitive to sunlight. Despite her illness, she dreams of becoming a singer and finds solace in music. The film explores themes of love, dreams, and the struggles of living with a chronic illness. Masahiro Nakai plays the male lead, who becomes a significant part of Kaoru's life, supporting her aspirations while navigating the challenges posed by her condition.