First Name: Ja Yoon
Family Name: Shim
Native name: 심자윤
Also Known as: Shim Jayoon;Ja Yoon;윤
Nationality: South Korean
Gender: Female
Born: April 14, 2004
Yoon (윤) is a South Korean singer under High Up Entertainment. She is a member of the girl group STAYC. The group debuted on November 12 with the single album "Star To A Young Culture".
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