Billlie (빌리) | Big B Radio

FEATURED ARTIST: Billlie (빌리)

Billlie (빌리) is a 7 member girl group under Mystic Story a subsidiary of SM Entertainment (home to LUCY, ARrC, Brown Eyed Girls, Eddy Kim, Jeong Jinwoo, Daybreak, Yoon Jong-Shin, and more). Members include former YG Entertainment trainee Moon Sua (문수아) (sister to the late Moonbin of ASTRO), Suhyeon (수현), Haram (하람), former member of Japanese girl group MAGICOUR Tsuki (츠키), Sheon (션) of Girls Planet 999, Siyoon (시윤), and Haruna (하루나).

They debuted on November 10th, 2021, with their first mini album ‘The Billage of Perception : Chapter One’ and the title track ‘Ring X Ring’ with 6 members, shortly afterwards on November 27th, 2021 Sheon made her debut with the group as the 7th member after placing #10 on Girls Planet 999 almost becoming a member of the group Kep1er. ‘Ring X Ring’ debuted on Big B Radio’s Listeners’ Choice at #13 on November 20th, 2021 it lasted 6 weeks, peaking at #7 on December 4th, 2021. On December 14th they released ‘Snowy Night’ marking the first single release as a 7 member group.

The group soon followed with their second EP and lead single "GingaMingaYo (The Strange World)" on February 23rd, 2022. The song debuted on Big B Radio’s Listeners’ Choice Weekly chart at #12 on March 5th, 2022, it peaked at #7 and lasted a total of 8 weeks. They released the remake collaborative single ‘Patbingsu’ with CEO and founder of their label Yoon Jong-Shin on July 14th, 2022. Billlie’s third EP ‘The Billage of Perception : Chapter Two’ was released on August 31st with the title track ‘RING ma Bell (what a wonderful world)’. ‘RING ma Bell’ entered Big B Radio’s Listeners’ Choice Weekly chart at #15 on September 3rd, 2022, the following week it peaked at #3, the single lasted 10 weeks. ‘GingaMingaYo (The Strange World)’ took #49 for Big B Radio’s 2022 Top 50 KPOP Songs Mid-Year chart and ‘RING ma Bell (what a wonderful world)’ ranked #47 on the 2022 KPOP Top 50 Songs.

On March 28th, 2023 Billlie released their 4th EP ‘The Billage of Perception : Chapter Three’ with the lead single ‘EUNOIA’. On April 4th the group received their first music show win on THE SHOW with the song. Big B Radio’s Listeners’ Choice Weekly chart of April 1st ‘EUNOIA’ debuted and only lasted 2 weeks at #26. On April 20, Mystic Story announced that the group's activities have been halted, due to the sudden death of Moon Sua's brother. On May 17, 2023 the group made their Japanese debut with the single ‘‘RING ma Bell (what a wonderful world) (Japanese version)’. Their Japanese debut included only 6 members, MoonSua would be on hiatus. On June 15th it was announced that member Suhyeon would also go on hiatus due to health reasons. Billlie pre-released "BYOB (Bring Your Own Best Friend)" from their 1st single album ‘Side-B: Memoirs of Echo Unseen’ on September 27th. Following on October 23rd the album and lead single "Dang! (Hocus Pocus)" was released. "Dang! (Hocus Pocus)" debuted on Big B Radio’s Listeners’ Choice Weekly chart at #23rd on October 28th, 2023, and stayed for 2 weeks.

Billlie released their first Japanese mini album ‘Knock-on Effect’ on February 7, 2024 with the lead track ‘Dominio ~Butterfly Effect’; it debuted on Big B Radio’s JPOP TOP HOUR on February 14th. It was featured on the show for 6 weeks and also ranked #42 on Big B Radio’s Top 50 JPOP Songs Mid-Year chart of 2024. On April 12, 2024, it was announced that members Moon Sua and Suhyeon would resume activities. Billlie released their fifth EP ‘Appendix: Of All We Have Lost’ on October 16th with lead track ‘Remembrance Candy’ which included a special narration by IU. A week earlier they pre-released the single "Trampoline" on October 11, 2024. Trampoline debuted on Big B Radio’s KPOP chart at #26 on October 19th, 2024, it peaked at 23rd and lasted 4 weeks on the chart.

Billlie’s first sub-unit ‘MoonSua X Siyoon’ made their debut on April 7th, 2025 with the song ‘SNAP’ featuring SOKODOMO. The group pre-released ‘Cloud Palace’ on January 27th, 2026 for their upcoming album ‘The Collective Soul and Unconscious: Chapter Two’ to be released in May of 2026. ‘Cloud palace’ debuted on Big B Radio’s Listeners’ Choice Weekly chart at #24 on February 7th, 2026 and it peaked at 22nd and stayed for 3 weeks on the chart.

You can request Billlie songs and vote for their songs on Big B Radio’s poll.

Article created: 4-24-2026