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.
Kim Siyoon,
Kim Shi Yoon,
Kim Shi-yoon,
김시윤,
Billlie,
Kim Si-yoon
Nữ
16 thg 2, 2005
Seoul, South Korea
Siyoon movies