YooA debuted in 2015 as a member of girl group Oh My Girl, best known for hits “Liar Liar,” (2016), “Secret Garden,” (2018), “Nonstop,” (2020) and “Dun Dun Dance,” (2021). She appeared on KBS’s web entertainment show "Idol Drama Operation Team,” in 2017 with six other girl group members, with whom she wrote and starred in the web series “Let's Only Walk The Flower Road,” the same year. The group finished second place among six high-profile female K-pop acts on Mnet's 2019 survival show "Queendom.” YooA was the first member of Oh My Girl to launch a solo career, releasing her solo EP “Bon Voyage,” (2020) and earning praise for her signature crystal clear vocals. She is also a popular guest on television shows.