Lee Sun-mi (Hangul: 선미; born May 2, 1992 in Iksan, North Jeolla, South Korea), referred to as Sunmi, is a South Korean singer. She debuted in 2007 as a member of South Korean girl group Wonder Girls and left from the group in January 2010 to pursue her academic career. After three years hiatus from the music scene, Sunmi started her career as a soloist in August 2013 with her first digital single, "24 Hours". It was the lead single off her debut extended play, Full Moon (2014).