Kim Si-yoon
Kim Si-yoon is a South Korean singer and rapper managed by MYSTIC Story. She was officially revealed as a trainee under MYSTIC Rookies on February 18, 2020. Now, she is a member of the girl group Billlie.
Known For: Acting
Born: Gwangmyeong, Gyeonggi-do, South Korea, 2005-02-16
Died: null
