Person
Kim Si-yoon
- Specialty
- Acting
- Birth
- February 16, 2005 · 21 years
- Origin
- Seoul, South Korea
Technical Alias
김시윤BilllieSiyoon
Professional Trajectory
Kim Si-yoon, known mononymously as Siyoon, is a South Korean rapper, singer and lyricist under MYSTIC STORY. She is a member of the girl group Billlie and its sub-unit Moon Sua X Siyoon.
