Her first solo single "My First Love" was released in January 1999, and was produced by Ryuichi Kawamura (of Luna Sea). "My First Love" was the beginning of a prosperous collaboration between Uehara and Kawamura. The single sold over 500,000 copies. The promotional video along with the cover and leaflet photos for 'My First Love' were all shot on location in Hawaii. Uehara followed up with her second and third singles, 'Come Close to Me' and 'My Greatest Memories'. In July 2000 following the disbandment of Speed, she became the first member of the group to release a solo album: My First Wing.