Good news for K-Pop music lovers. Mystic Story's rookie girl group, Billie, is about to make their comeback by releasing their debut single. This information was directly confirmed through their social media post, which uploaded a poster about Billie's comeback activities. In the poster, this girl group will make a comeback on December 14, 2021. Now, Billie has started preparing for their comeback by uploading their concept photo with a Christmas theme. Curious about the charm of Billie's members in the concept photo? Let's check out the following article!
Written by: Muhammad Ancah