KPOP 3rd generation · MBK Entertainment / PocketDol Studio
DIA
ダイア / 다이아
DIA came out of the same company as T-ARA and carried on that house style of bright, large-cast pop through several line-up changes.
- 2015DebutSep 14, 2015
- 6Members
- 3thGeneration
- AIDFandom
Last updated:
01
In 30 seconds: DIA
Chaeyeon's spell in I.O.I is the best-known thread, and following the singles in order keeps the changing membership from getting confusing.
Start here if you want easy, sunny girl-group pop with no concept to decode.
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Key facts
- Group name
- DIA
- Reading / Hangul
- ダイア / 다이아
- Company
- MBK Entertainment / PocketDol Studio
- Debut date
- September 14, 2015
- Days active
- 2,301 days (6 years, 3 months)
- Final activity date
- 2022
- Debut song
- Somehow
- Generation
- 3rd generation
- Fandom name
- AID(エイド)
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Member guide
Profile comparison
| Members | Birth date | Blood type | MBTI | Nationality | ||
|---|---|---|---|---|---|---|
| ユニス | 1991-09-02 | 35 | 166cm | A | Not disclosed | South Korea |
| ヒヒョン | 1995-06-16 | 31 | 167cm | O | Not disclosed | South Korea |
| ジュウン | 1995-06-07 | 31 | 161cm | A | Not disclosed | South Korea |
| イェビン | 1997-07-13 | 29 | 163cm | A | Not disclosed | South Korea |
| チェヨン | 1997-12-01 | 28 | 166cm | A | Not disclosed | South Korea |
| ウンチェ | 1999-05-26 | 27 | 159cm | A | 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.
Rooting For You
Somehow MVSomehow is the debut and fixes both the brightness and the size of the line-up.
On the Road MVOn the Road is the cleanest of the singles and the most typical of the group.
WooWoo MVWooWoo is the late single and by some distance the catchiest.05
From debut to now
- 2015Do It Amazing carried the debut, foregrounding a cool freshness and the brightness of a large girl group.
- 2016Chaeyeon's work with I.O.I overlapped with group activity, and awareness of DIA itself widened.
- 2017Will You Go Out With Me, Can't Stop and Good Night kept the bright pop going, and the look of the expanded lineup settled.
- 2018WooWoo from Summer Ade won first place on The Show, becoming a key track for anyone catching up on DIA.
- 2019WOOWA brought newtro-tinted sound and choreography, becoming the light signature of the later years.
- 2020Flower 4 Seasons narrowed the participating members, which matters for understanding the second half of DIA.
- 2022Rooting For You stands as the final official release before the disbandment, closing the story.
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Achievements
Key milestones
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 DIA note
DIA debuted in September 2015 with Do It Amazing and its track Somehow, a girl group out of MBK Entertainment. Inheriting the large-format pop lineage that followed T-ARA, it kept changing shape through additions and departures, and those seven years carry an unusual density even among third-generation girl groups. The name is short for Diamond, and the wish to hold brightness and hard shine together runs through the visuals of every release.
Three songs make the entry: Somehow, On the Road and WooWoo. The debut gives the early cool freshness, On the Road shows the scale of the lineup and its vivid formations, and WooWoo, released in 2018, moves into the bursting pop of the later period, which is the whole range in one listen. WOOWA stands out for its newtro sound and light choreography, and anyone tracking the musical change will find the pivot there.
The year 2016 overlapped with Chaeyeon's I.O.I activity, and awareness of DIA spread through it. Bright pop continued with newer members joining, and Flower 4 Seasons in 2020 shows the narrower shape of the later period. Then on September 14, 2022, exactly seven years after the debut, Rooting For You arrived as the final official release and closed the story. Somehow, then WooWoo, then Rooting For You runs from large-format debut pop through the later signature to the last chapter.
Editors' take Somehow / WooWoo / Rooting For You — three songs running from bright pop to the final chapter, from the six-piece group at MBK Entertainment.
Trivia worth knowing
Name
DIA stands for Do It Amazing, with the sparkle of a diamond layered onto the same name.
Entry point
Chaeyeon is the clearest way in, since I.O.I and her acting work lead straight back to DIA.
Line-up
Members changed often, so the early 2015 roster, the 2017 form and the late 2020 form are best read apart.
Signature song
WooWoo carried them to a music programme win, and the official video pairs well with the stage cuts.
Later years
WOOWA and Hug U hold the lightness and the cool tone of the later years.
Closing note
Rooting For You, the final official release, carries a strong message to the fans before the closing chapter.
Frequently asked questions
What defines DIA?
Chaeyeon's spell in I.O.I is the best-known thread, and following the singles in order keeps the changing membership from getting confusing.
Why should a new listener start with DIA?
Start here if you want easy, sunny girl-group pop with no concept to decode.
Which songs should a new listener try first?
Start with Somehow, On the Road, WooWoo, then continue to the official video index.