
Acting
Kim Si-yoon
EN, KO cinema · 3 credits
Born
16 February 2005 (age 21)
Birthplace
Seoul, South Korea
Also known as 김시윤 · Billlie · Siyoon
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.




