Hayana Yoon Hangul: 윤하야나, (born October 11, 1993) is a South Korean singer, songwriter, dancer, VJ and violinist. Debut under the company Stardom Entertainment in 2012 of the Korean girl group Evol. 2015 the girl group Evol disbanded, Hayana decided to pursue her music career as a solo artist.She is currently a freelancer artist under KoffeeDream Management. She made her first solo performance at Dabit fan-meeting event in 2015