KPOP 4th generation · MYSTIC STORY
Billlie
ビリー / 빌리
Billlie pair a dense narrative concept with pop that stays bright on the surface, a combination MYSTIC STORY has stuck with since 2021.
- 2021DebutNov 10, 2021
- 7Members
- 4thGeneration
- Belllie'veFandom
Last updated:
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In 30 seconds: Billlie
Seven members work across Korea, Japan and international releases, with videos, practice cuts and performance films published steadily.
Choose this if you want storytelling without the music turning heavy to carry it.
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Key facts
- Group name
- Billlie
- Reading / Hangul
- ビリー / 빌리
- Company
- MYSTIC STORY
- Debut date
- November 10, 2021
- Days active
- 1,816 days (4 years, 11 months)
- Debut song
- RING X RING
- Generation
- 4th generation
- Fandom name
- Belllie've(ビリーブ)
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Member guide
Profile comparison
| Members | Birth date | Blood type | MBTI | Nationality | ||
|---|---|---|---|---|---|---|
| ムン・スア | 1999-09-09 | 27 | 163cm | Not disclosed | Not disclosed | South Korea |
| スヒョン | 2000-01-15 | 26 | 163cm | Not disclosed | Not disclosed | South Korea |
| ハラム | 2001-01-13 | 25 | 167cm | Not disclosed | Not disclosed | South Korea |
| ツキ | 2002-09-21 | 24 | 168cm | Not disclosed | ENFP | Japan |
| ション | 2003-01-28 | 23 | 162cm | Not disclosed | Not disclosed | South Korea |
| シユン | 2005-02-16 | 21 | 170cm | Not disclosed | Not disclosed | South Korea |
| ハルナ | 2006-01-30 | 20 | 165cm | Not disclosed | Not disclosed | Japan |
Ages are as of 2026-10-31.
Selected releases
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Start here
Follow a few songs from the starting point to the group's current sound.
the collective soul and unconscious: chapter two
RING X RING MVRING X RING is the debut and the first look at how the concept is built.
GingaMingaYo MVGingaMingaYo is the single that reached past the existing audience.
EUNOIA MVEUNOIA shows the recent sound and how the staging has been rethought.MVView in JapaneseDance PracticeView in JapanesePerformanceView in JapaneseLiveView in JapaneseStageView in JapaneseAudioView in Japanese
View all official videos →05
From debut to now
- 2021RING X RING was the debut, and from snowy night at the end of that year the route of a 7-member lineup with Sheon added began.
- 2022GingaMingaYo and RING ma Bell made acting in the face, a rock-leaning sound and an enigmatic storytelling the signature way in.
- 2023EUNOIA took a first music show win, and BYOB with DANG! held bright pop and a strange world together.
- 2024The Japan 1st Mini Knock-on Effect and appendix: Of All We Have Lost widened the work in Japan and the new songs.
- 2025SNAP by Moon Sua X Siyoon made the unit route clear, standing apart from the story of Billlie itself.
- 2026ZAP and WORK, from the Full Album the collective soul and unconscious: chapter two, updated where the long-form lore and the performing stand.
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Achievements
4Wins
2Chart No. 1
4 awards · 2 chart No. 1s (compiled by KPOP DISCOVER, as of October 29, 2026)
Awards
Major wins
- 2024
Seoul Music Awards SMA
- Best Performance Award“Billlie”
- 2023
Korea First Brand Awards KFBA
- Female Idol - Rising Star“Billlie”
- 2023
SBS M The Show The Show
- Music show win“EUNOIA”
- 2022
Asia Artist Awards AAA
- Potential Award - Music“Billlie”
Charts and PAK
Peak chart positions
- EUNOIAThe ShowNo. 1music_show
- the Billage of perception: chapter threeCircle Album ChartNo. 1Album
Sources and data (5)
Source: announcements by each award ceremony and official chart
Verified information
Verified English information is not yet available for this section.
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Official links
Official site
Official social accounts and platforms
Shopping guide
Verified English shopping links are not yet available.
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KPOP DISCOVER's Billlie note
What anchors Billlie is an enigmatic storytelling held together with bright pop and a rock-leaning sound. MYSTIC STORY debuted the 7-member girl group on November 10, 2021 with RING X RING, and Moon Sua, Suhyeon, Haram, Tsuki, Sheon, Siyoon and Haruna bring acting in the face, vocals, rap and a Japanese member as ways in.
The way in is RING X RING, GingaMingaYo, EUNOIA. The enigmatic storytelling of GingaMingaYo, the first music show win with EUNOIA, the bright pop and strange world of BYOB and DANG!: this is a group carrying long-form lore.
Through the Japan 1st Mini Knock-on Effect and the unit SNAP, the full album the collective soul and unconscious: chapter two and its ZAP updated where the long-form lore and the performing stand in 2026. RING X RING, then GingaMingaYo, then EUNOIA covers the debut, the storytelling and the signature song.
Editors' take RING X RING / GingaMingaYo / EUNOIA — enigmatic storytelling held together with bright pop, across three songs from a MYSTIC STORY 7-piece.
Trivia worth knowing
Name
Billlie is often broken down as Bi, 11 and lie, with rain, an 11th bell and a lie forming the lore behind the name.
Fandom
Belllie've carries the sense of those who believe in Billlie, fitting a group whose story fans decode together.
Facial acting
Tsuki's facial acting in GingaMingaYo is what brought Billlie to a wider audience, and it is the first thing to watch.
Japan route
Knock-on Effect gathers Japanese-language versions of DOMINO, DANG!, BYOB, RING ma Bell and GingaMingaYo, which are kept apart from the Korean releases.
Unit
SNAP, made up of Moon Sua and Siyoon, is an official unit spun out of Billlie itself.
Video
A natural order runs from the story of RING X RING to the expressions of GingaMingaYo, the brightness of EUNOIA and the odd recent pop of DANG! and ZAP.
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Japan activity score
KPOP DISCOVER original metric
No. 81/ 241 groups
No. 81 of 241 groups with recorded activity in Japan (top 34%)
- 3Japanese releases
- 7Japan-related tracks
- 2Members from Japan
- 0Official Japanese accounts
The denominator is the 241 groups, out of 564 covered by KPOP DISCOVER, whose raw score reaches at least one point. The score adds 10 points per Japanese-market release, 3 per Japan-related track, 12 per member from Japan, and 8 per official Japanese account. Japanese-market releases carry the most weight because they are the most direct evidence of activity; related tracks add track-level detail; members from Japan stand for Japanese-language communication and continuity; official accounts stand for a permanent point of contact. The weights are an editorial judgement, not a statistical optimisation, and the ranking tracks release volume in Japan closely. Source: releases, tracks, members, and official links recorded by KPOP DISCOVER (updated 2026-10-29).
How this score is calculated →View in JapaneseFrequently asked questions
What defines Billlie?
Seven members work across Korea, Japan and international releases, with videos, practice cuts and performance films published steadily.
Why should a new listener start with Billlie?
Choose this if you want storytelling without the music turning heavy to carry it.
Which songs should a new listener try first?
Start with RING X RING, GingaMingaYo, EUNOIA, then continue to the official video index.