According to Mystic Story, Moon Sua X Siyoon will release other promotional content like the tracklist of the single, photos ...

This photo, provided by Mystic Story, shows Moon Sua and Siyoon of K-pop girl group Billlie, in promotion of their unit ...

Get ready for the debut of Billlie’s first unit! On April 1, Mystic Story officially announced that Billlie’s Moon Sua and ...

Moonbin’s friends and younger sister, Billie’s Moon Sua, are working on a releasing a tribute song and is said to release on April 19. According to a report by JTBC, the artists coming ...

Billlie members Moon Sua and Si-yoon announce a bold unit debut with an Unick concept. Today (5th) at 12 a.m., Moon Sua and Si-yoon posted a teaser for the music video of the digital single 'SNAP ...

Members Moon Sua and Si Yoon of the group Billlie will make their team's first unit debut. Moon Sua and Si Yoon will release the digital single 'SNAP (feat. sokodomo)' on various music sites at 6 ...