Kim Na-young (born December 31, 1991) is a South Korean singer who gained immense popularity through social media exposure on New Year's Eve 2015, when her single "What If It Was Going" topped the MelOn music charts of South Korea's biggest music streaming site, holding the top place for five days, and high spots on other streaming sites. She has recorded several soundtracks, including "Once Again" for Descendants of the Sun. Music career She debuted as a singer in 2012