Kaoru was suffering from xeroderma pigmentosum (XP),an illness, which also might be described as the allergy to the sun, and was not allowed to be exposed to sunlight. The only motivation in her life was singing, which also was the only connection to the outside world. One day, an incident drastically changes her life...

• Shochiku
• YUI
• Takashi Tsukamoto
• Goro Kishitani
• Kuniko Asagi
• Airi Toriyama
• Yū Koyanagi
• Sogen Tanaka
• Hajime Yamazaki