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Billlie (; stylized as ''Bi11lie'' or ''Billlǃə'') is a South Korean girl group formed by Mystic Story. Billlie debuted on November 10, 2021, with the
extended play An extended play (EP) is a Sound recording and reproduction, musical recording that contains more tracks than a Single (music), single but fewer than an album. Contemporary EPs generally contain up to eight tracks and have a playing time of 1 ...
(EP) '' The Billage of Perception: Chapter One''. The group originally consisted of six members: Moon Sua, Suhyeon, Haram, Tsuki, Siyoon and Haruna. A seventh member, Sheon, later joined the group.


Name

The name Billlie is spelled with three Ls due to the fact that the name can be broken down into '''Bi''' (Korean word for rain), '''11, and '''lie' — Bi11lie.'' The number '11' came from their group's legend; "When the ''11th'' bell rings in the middle of a purple ''rain'', something strange happens", where the members ''lie'' about what happened in order to keep the event a secret. The name also reflects their "B-sides, the inner-self that everyone has inside them", which they express in hope to empathize with the audience.


Career


Pre-debut

The members of Billlie were known as Mystic Rookies — a rookie development program under Mystic Story. On September 14, Mystic Story announced plans to debut Mystic rookies in November 2021. On October 11, it was revealed that the group would be named 'Billlie'. Prior to debut, Moon Sua was a
YG Entertainment YG Entertainment () is a South Korean Multinational corporation, multinational entertainment agency established in 1996 by Yang Hyun-suk. The company operates as a record label, talent agency, music production company, event management and conce ...
trainee for 10 years. She participated in the music competition program '' Unpretty Rapstar 2'' finishing as the third runner-up. Suhyeon participated in the
Mnet M-Net (an abbreviation of Electronic Media Network) is a South African pay television channel established by Naspers in 1986. The channel broadcasts both local and international programming, including general entertainment, children's series, ...
survival program ''
Produce 101 ''Produce 101'' () is a reality television talent competition franchise created by South Korean entertainment conglomerate CJ E&M, based around the formation of a K-pop girl group or boy group. The format is noted for having no panel of judges ...
'' placing 69th and eliminated in the fifth episode. She also participated in the
JTBC JTBC (shortened from Joongang Tongyang Broadcasting Company; ; stylized in all lowercase) is a South Korean nationwide pay television network. Its primary shareholder is JoongAng Holdings, with a 25% stake. It was launched on December 1, ...
survival program ''
Mix Nine ''Mix Nine'' () is a South Korean reality competition show broadcast on JTBC. In the show, YG Entertainment founder and producer Yang Hyun-suk traveled to music agencies across Korea to find up-and-coming K-pop stars. Throughout the episodes, con ...
'' and starred in the web drama '' A-Teen'' in 2018, and its 2019 sequel '' A-Teen 2''. Haram and Tsuki are former
SM Entertainment SM Entertainment Co., Ltd. () is a South Korean multinational entertainment agency established in 1995 by Lee Soo-man. It is one of South Korea's largest entertainment companies and has been responsible for fostering and popularizing the car ...
trainees. Additionally, Tsuki worked as a model for the magazine '' Popteen'' and released the single "Magic" with the modeling group MAGICOUR in 2020. Sheon participated in the
Mnet M-Net (an abbreviation of Electronic Media Network) is a South African pay television channel established by Naspers in 1986. The channel broadcasts both local and international programming, including general entertainment, children's series, ...
survival program ''
Girls Planet 999 ''Girls Planet 999'' () is a 2021 South Korean reality competition show created by Mnet. It premiered on August 6, 2021, and was originally broadcast every Friday at 8:20 PM KST for the first eleven episodes until its finale on October 22, w ...
'', and was eliminated in the final episode placing tenth. Siyoon participated in the talent show '' K-pop Star 5'' and also worked as a model for the magazine ''Popteen''.


2021–2022: Debut with ''The Billage of Perception: Chapter One'', "Snowy Night", ''The Collective Soul and Unconscious: Chapter One'' and ''The Billage of Perception: Chapter Two''

On October 28, it was announced that their debut EP '' The Billage of Perception: Chapter One'' would be released on November 10. A fan song titled "Flowerld", which was also included on the EP, was also released on the same day. On November 10, their debut EP ''The Billage of Perception: Chapter One'' was released featuring lead single "Ring X Ring" and five B-side tracks. On November 19, it was announced that Kim Su-yeon, who had participated in ''
Girls Planet 999 ''Girls Planet 999'' () is a 2021 South Korean reality competition show created by Mnet. It premiered on August 6, 2021, and was originally broadcast every Friday at 8:20 PM KST for the first eleven episodes until its finale on October 22, w ...
'', would join the group under the stage name Sheon (션) as the seventh member, and would officially join the group for their next album. On November 27, Sheon made a surprise appearance performing title track "Ring X Ring" along with the other members on South Korean music show ''
Show! Music Core ''Show! Music Core'' (), or simply ''Music Core'' is a South Korean music television program broadcast by MBC. It airs live every Saturday at 15:30 (KST). The show features some of the latest and most popular artists who perform live on stage. I ...
'', marking her first appearance with the group. On December 14, the group released their first digital
single album In music, a single is a type of release of a song recording of fewer tracks than an album ( LP), typically one or two tracks. A single can be released for sale to the public in a variety of physical or digital formats. Singles may be standa ...
''The Collective Soul and Unconscious: Snowy Night'' with "Snowy Night" as the lead single. The single is the group's first release to feature member Sheon. On February 11, 2022, it was announced that Billlie would be releasing their second EP '' The Collective Soul And Unconscious: Chapter One,'' featuring lead single "GingaMingaYo (The Strange World)" on February 23. On March 1, the group released their first soundtrack album '' The Collective Soul and Unconscious: Chapter One Original Soundtrack from "What Is Your B?"''. On August 8, 2022, it was announced the group would be releasing a direct
sequel A sequel is a work of literature, film, theatre, television, music, or video game that continues the story of, or expands upon, some earlier work. In the common context of a narrative work of fiction, a sequel portrays events set in the same ...
to their first EP. On August 16, it was announced that their third EP '' The Billage of Perception: Chapter Two'', featuring lead single "
Ring Ma Bell (What a Wonderful World) "Ring Ma Bell (What a Wonderful World)" (stylized as RING ma Bell (what a wonderful world)) is a song recorded by South Korean girl group Billlie for their third extended play '' The Billage of Perception: Chapter Two''. It was released as the l ...
", would be released on August 31.


2023–present: ''The Billage of Perception: Chapter Three'', ''Side-B: Memoirs of Echo Unseen'' and ''Appendix: Of All We Have Lost''

On February 7, 2023, it was announced the group would be releasing their fourth EP. On March 6, it was announced that their fourth EP '' The Billage of Perception: Chapter Three'', featuring lead single "Eunoia", would be released on March 28. On April 20, Mystic Story announced that the group's activities have been halted, due to the sudden death of Moon Sua's brother Moonbin of Astro. Subsequently on April 25, Mystic Story announced that promotions for the EP have concluded, and that member Moon Sua would be taking time off, with the remaining 6 members to continue activities. On June 15th, It was announced that Suhyeon would also be going on hiatus, for health reasons. The group released their first single album ''Side-B: Memoirs of Echo Unseen''. The album's single "BYOB (Bring Your Own Best Friend)", together with its English-language version, was pre-released on September 27. The lead single "Dang! (Hocus Pocus)", together with the entire album was released on October 23. Members Moon Sua and Suhyeon would not be involved in this release due to their hiatuses from health issues. On April 12, 2024, it was announced that members Moon Sua and Suhyeon would resume activities after being on hiatus due to health issues. On October 2, it was announced that the group would be releasing their fifth EP ''Appendix: Of All We Have Lost'' on October 16, with the pre-release single "Trampoline" releasing on October 11. The music video teaser for the lead single "Remembrance Candy" () includes a special narration by singer-songwriter IU, who also wrote the lyrics for the song. On April 1, 2025, the group announced that they would debut their first sub-unit consisting of members Moon Sua and Siyoon on April 7, with the release of the single "Snap" featuring Sokodomo.


Members

* Moon Sua () * Suhyeon () * Haram () * Tsuki () * Sheon () * Siyoon () * Haruna ()


Timeline


Discography


Extended plays


Single albums


Soundtrack albums


Singles


Other charted songs


Videography


Music videos


Accolades


Awards and nominations


Listicles


Notes


References

{{authority control 2021 establishments in South Korea Musical groups from Seoul K-pop music groups Musical groups established in 2021 South Korean dance music groups South Korean girl groups Mystic Story artists