JOO

Jung Min-joo, known professionally as Joo, is a South Korean singer, songwriter and musical actress. In 2006, she became a contestant on JYP Entertainment's Superstar Survival. Although she didn't win, she was accepted as a trainee at JYP Entertainment. After two years of training, Joo debuted as a soloist with her single album Young Girl in January 2008. However, she resumed training for two years, as she didn't feel ready for her debut.