KPOP 4th generation · GLG / Choi Creative Lab
H1-KEY
ハイキー / 하이키
H1-KEY grew on the strength of the songs rather than on a launch budget, and Rose Blossom is where that turned around.
- 2022DebutJan 5, 2022
- 4Members
- 4thGeneration
- M1-KEYFandom
Last updated:
01
In 30 seconds: H1-KEY
Seoi, Riina, Hwiseo and Yel began with sporty, healthy-looking concepts; the later material is far more lyrical.
Come here for a small-label girl group that got found because people liked the writing.
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Key facts
- Group name
- H1-KEY
- Reading / Hangul
- ハイキー / 하이키
- Company
- GLG / Choi Creative Lab
- Debut date
- January 5, 2022
- Days active
- 1,760 days (4 years, 9 months)
- Debut song
- Athletic Girl
- Generation
- 4th generation
- Fandom name
- M1-KEY(マイキー)
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Member guide
Profile comparison
| Members | Birth date | Blood type | MBTI | Nationality | ||
|---|---|---|---|---|---|---|
| ソイ | 2000-02-12 | 26 | 169cm | Not disclosed | Not disclosed | South Korea |
| リイナ | 2001-02-21 | 25 | 172cm | Not disclosed | Not disclosed | South Korea |
| フィソ | 2002-07-31 | 24 | 169cm | Not disclosed | Not disclosed | South Korea |
| イェル | 2004-12-25 | 21 | 173cm | Not disclosed | Not disclosed | South Korea |
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.
Rose Blossom MVRose Blossom is the song that did it, and the encouragement in the lyric is the reason it spread.
SEOUL (Such a Beautiful City) MVSEOUL (Such a Beautiful City) sits at the centre of Seoul Dreaming and shows the urban side of the group.
Time to Shine MVTime to Shine is the most optimistic and the best showcase for the singing.MVView in JapaneseDance PracticeView in JapanesePerformanceView in JapaneseLiveView in JapaneseStageView in Japanese
View all official videos →05
From debut to now
- 2022The Single Album Athletic Girl was the debut, and after Sitala left and Hwiseo joined, RUN carried them to the present four-piece.
- 2023They released the 1st Mini Album Rose Blossom. Its title track grew steadily through word of mouth and chart success, becoming H1-KEY's biggest signature song.
- 2024Thinkin' About You, Deeper and Let It Burn widened the encouraging lyrics, the singing and the band-pop leaning of the music.
- 2025Summer Was You offered pop with a season in it and kept up the run of strong songs that began with Rose Blossom.
- 2026Not Like a Movie and the 5th Mini Album LOVECHAPTER arrived, and To. My First Love renewed what H1-KEY sounds like now.
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Achievements
3 awards · 1 chart No. 1 (compiled by KPOP DISCOVER, as of October 29, 2026)
Awards
Major wins
- 2025
Asia Model Festival Asia Model
- K-pop Star Popularity Award“H1-KEY”
- 2023
Brand of the Year Awards Brand
- Rising Star Female Idol“H1-KEY”
- 2023
SBS MTV The Show The Show
- Music show win“SEOUL (Such a Beautiful City)”
Major nominations
- 2024 Korean Music Awards — Song of the Year nominee“Rose Blossom”
- 2024 Korean Music Awards — Best K-pop Song nominee“Rose Blossom”
Charts and PAK
Peak chart positions
- Rose BlossomBugsNo. 1Digital
- Seoul DreamingCircle Album ChartNo. 10Album
Music show wins
Records
1 recordMost recent broadcast first
Sources and data (5)
Source: announcements by each award ceremony and official chart
Each record is checked against its source. These are within the collected period, not lifetime totals.
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 H1-KEY note
H1-KEY debuted from GLG / Choi Creative Lab in January 2022 as a four-piece girl group. Seoi, Riina, Hwiseo and Yel make up the present line-up, and the early entrances were the sporty Athletic Girl and RUN. After a change of members the current formation settled, and from 2023 the axis moved toward lyrical songs built on encouragement.
The clearest place to start is Rose Blossom. Rather than the fast start a major label can buy, it spread by word of mouth on the strength of the song and the words themselves, and the whole basis of the group is concentrated there. Follow with SEOUL for the urban sound, then Time to Shine for the way a hopeful message is carried, and the outline of a band-pop group built on singing comes clear.
Through 2024 they stacked up Thinkin' About You, Deeper and Let It Burn to widen the singing and the range of feeling, and Summer Was You in 2025 added pop with a season in it. In 2026 came Not Like a Movie, then To. My First Love, the title song of the 5th Mini Album LOVECHAPTER, updating where they stand. Rose Blossom, then SEOUL, then To. My First Love runs from the word-of-mouth signature to the urban sound and the present.
Editors' take Rose Blossom / SEOUL / To. My First Love — a path built on strong songs and singing, in three from a GLG / Choi Creative Lab four-piece.
Trivia worth knowing
Name
H1-KEY is written to suggest high-key, putting bold, bright energy into the group name.
Fandom
M1-KEY plays on my key, naming the fan community as the thing that unlocks H1-KEY's music.
Turning point
The sporty image of the debut period gave way with Rose Blossom to a group judged first on its songs.
Members
The four-member line-up settled once Hwiseo joined, and the voices and faces of Seoi, Riina, Hwiseo and Yel repay separating.
Songs
Rose Blossom is also known by its Korean title 건물 사이에 피어난 장미 and has been heard for years as an encouraging K-pop song.
Video
With H1-KEY the natural order is the music video for the story, the Live Clip for the voices and the Dance Practice for the stage feel from Let It Burn onwards.
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Japan activity score
KPOP DISCOVER original metric
No. 160/ 241 groups
No. 160 of 241 groups with recorded activity in Japan (top 66%)
- 1Japanese releases
- 5Japan-related tracks
- 0Members 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 H1-KEY?
Seoi, Riina, Hwiseo and Yel began with sporty, healthy-looking concepts; the later material is far more lyrical.
Why should a new listener start with H1-KEY?
Come here for a small-label girl group that got found because people liked the writing.
Which songs should a new listener try first?
Start with Rose Blossom, SEOUL (Such a Beautiful City), Time to Shine, then continue to the official video index.