아이유가 신나면...신나유아이유 소개South Korean singer, songwriter, and actress.She debuted as a singer in 2008 at the age of 15, when she was in her third year of middle school, and her stage name, IU, means "you and I become one through music. She has been loved as a solo idol and artist for more than a decade, thanks to her charming voice and excellent songwriting skills, and has been active as a singer sin..