yoon stayc birthday

For other people known as 'Yoon', see Yoon. Yoon (윤) is a South Korean singer under High Up Entertainment. She is a member of the girl group STAYC. On October 15, 2020, she was revealed as the sixth and final member of STAYC. The group debuted on November 12 with the single album "Star To A... happy birthday 18