Kim Si-yoon 02/16/2005 , (19 years old) in Gwangmyeong, Gyeonggi-do, South Korea

Known for department

Acting

Biography

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.

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