Yuki Koyanagi is a Japanese pop singer. She released her first single, "Anata no kisu o kazoemashô – You Were Mine" on September 15, 1999. This song was a huge hit in Japan and made the 17-year-old a sensation overnight. Her second album, Expansion, sold over 1.3 million copies, and it features her biggest chart hit, "Aijo". She has done several albums of cover songs, including disco and movie standards.
