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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 Si-yoonBirthday: 2/16/2005Gender: FemalePlace Of Birth: Gwangmyeong, Gyeonggi-do, South Korea |
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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. |
