Oh Ha-young (born July 19, 1996), better known by the mononym Hayoung, is a South Korean singer and actress. She is best known as a member of the South Korean girl group Apink.
Twitter : https://twitter.com/apinkohy
Composer: Kriz & 프라이머리 & 진보
Lyricist: Kriz & 프라이머리 & 진보