Haruna

Haruna (하루나) gives Billlie one of its most distinct textures. Born in Japan and trained through dance before entering the Korean idol system, she debuted with the group in 2021 as part of the original lineup that introduced MYSTIC STORY's first girl group to the market. In a team built around unusual narratives, layered pop production, and performance detail, Haruna often operates as a stabilizing presence rather than the loudest one, which is exactly why her contribution reads clearly over time.

Her route into K-pop was not built on a major survival show or a giant agency co-sign. Instead, it was shaped through fashion-show dance experience in Osaka and a steady development path that let her adapt to Billlie's concept-heavy style from day one. That matters because Billlie's catalog asks for precision. Songs like Ring X Ring, GingaMingaYo, and Remembrance Candy all rely on members who can hold a theatrical frame without flattening the emotion inside it, and Haruna has become part of that connective tissue.

As Billlie moved into 2024 and 2026, Haruna's value became even easier to read. She remained central through the group's return for Appendix: Of All We Have Lost and into the next cycle led by Cloud Palace (False Awakening). Her career page works best when it frames her not as a peripheral member, but as a key dancer and vocalist inside one of fourth-generation K-pop's most conceptually precise groups.