Perfect Girl Trailerthe interlude of 11 Trailer
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.
Total trailers found: 2
18 December 2026
With only four spots available in a new K-pop supergroup and the final cut a week away, the competition is off the charts.
21 December 2022
For their first anniversary, Billlie is showcasing a concert to deliver the story of their unique universe, by using XR (Extended Reality) to tear down the border of different dimensions, time, and space.
