Born Kim Yoo-jin and known by the stage name of "Eugene," this South Korean pop singer belonged to a late 1990s, all-female vocal group called S.E.S. (Sea, Eugene, Shoo) and also recorded solo K-pop albums in 2003 and 2004. Also an actress, she starred in such Korean films as Yoga and Heartbreak Library. In her teens, she signed a contract with the SM Entertainment record label.