Siyoon
Known for: Acting
Born: February 16, 2005
Place of birth: Seoul, South Korea
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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Filmography
2 movies · 2 TV shows, newest first
