Shim Ja-yun (심자윤), known under her stage name Yoon (윤), is a South Korean singer/K-pop idol. She is under High Up Entertainment. She is best known as one of the lead vocalists of the girl group STAYC.
Dikenal sebagai: Acting
Ulang tahun: 2004-04-14
Tempat Lahir: Gwangju, South Korea
Disebut Juga Sebagai:
