Personal Info

Known For

Acting

Born

February 16, 2005 (age 21)

Place of Birth

Seoul, South Korea

Also Known As

Kim Siyoon

Kim Shi Yoon

Kim Shi-yoon

김시윤

Billlie

IMDb Instagram

Siyoon

Biography

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.

Known For

KPOPPED

Self

2025

Idol's Physical Race

Self

2022

Film

Perfect Girl

Film

the interlude of 11

2022

Filmography

2025TVKPOPPEDas Self 2022Filmthe interlude of 11 2022TVIdol's Physical Raceas Self —FilmPerfect Girl