They released two albums with mixed success; their debut single was "Maybe I Love You."
[2] They became friends in the 1990s while performing with their respective groups, and discussed doing a joint project for 10 years.
[2] When they found time to do so, they debated on various names (including "Yurina") before deciding on "Girl Friends"; afterwards, Chae stated that it felt great to keep their promise and release an album.
The album sold 8000 copies by the end of August, according to the Music Industry Association of Korea.
The duo did not make an official comeback performance until October 2007; at the time, they stated that they wanted to win fans with their songs instead of their dances.