Kim Si-yoon
Known for
Acting
Born
February 16, 2005 (age 21)
Birthplace
Seoul, South Korea
Biography
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.
Best known work
KPOPPED
2025
the interlude of 11
2022
Perfect Girl
Elena
Idol's Physical Race
2022
The Silence Of IDOL
2020Filmography
TBA
TBA
2025
2022
2022
2020