Kim Siyoon

Kim Si-yoon has quickly established herself as one of the most promising young talents in the fourth generation of K-pop. Her ability to seamlessly transition between singing, rapping, and acting sets her apart in a crowded industry. The group's success with the 'phantom' concept earned them critical acclaim and a dedicated global fanbase. Her casting in Perfect Girl marks a historic milestone, making her the first Billlie member to take on a lead role in a major Hollywood production backed by US record labels.