KPOP 2nd generation · Can&J's Entertainment / Tunes-Will Entertainment
F.CUZ
フォーカズ / 포커즈
F.CUZ debuted in 2010 as four — Jinon, LeeU, Kan and Yejun — and the line-up shifted more than once before the Japanese work began.
- 2010DebutJan 8, 2010
- 5Members
- 2thGeneration
- FOR UFandom
Last updated:
01
In 30 seconds: F.CUZ
The bright early singles give way to harder dance material, and Midnight Sun onward sounds noticeably older.
Come here if you are filling in the late second generation and want a group that kept working after the first line-up broke.
02
Key facts
- Group name
- F.CUZ
- Reading / Hangul
- フォーカズ / 포커즈
- Company
- Can&J's Entertainment / Tunes-Will Entertainment
- Debut date
- January 8, 2010
- Days active
- 6,140 days (16 years, 9 months)
- Debut song
- Jiggy
- Generation
- 2nd generation
- Fandom name
- FOR U(フォーユー)
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Member guide
カン칸 · KanView in Japanese
イェジュン예준 · YejunView in Japanese
イユ이유 · LeeUView in JapaneseProfile comparison
| Members | Birth date | Blood type | MBTI | Nationality | ||
|---|---|---|---|---|---|---|
| ジノン | 1989-07-13 | 37 | 183cm | B | Not disclosed | South Korea |
| カン | 1991-09-30 | 35 | 184cm | B | Not disclosed | South Korea |
| イェジュン | 1992-02-04 | 34 | 182cm | B | Not disclosed | South Korea |
| テゴン | 1990-10-27 | 36 | 180cm | A | Not disclosed | South Korea |
| レヒョン | 1991-06-08 | 35 | 178cm | O | Not disclosed | South Korea |
| イユ | 1990-03-20 | 36 | 179cm | 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.
No One MVNo One is the strongest of the early dance singles and the best look at the performance side.
Midnight Sun MVMidnight Sun opens the reshaped line-up and takes a more adult tone.05
From debut to now
- 2010Arrived as the four of Jinon, LeeU, Kan and Yejun, joining the mid-tier boy groups of the later second generation with bright dance songs.
- 2011The departure of LeeU, the early main vocal, changed how the group read and pointed towards the next line-up of five.
- 2012They returned as five with Daegeon and Raehyun, making the entrance after the rebuild that leads to No.1, Midnight Sun and Dreaming i.
- 2013Releases and events in Japan grew, and the group came to be followed from the Japanese fan community as well as the Korean catalogue.
- 2014Cha-Ga-Wa, around Bargaining for Love, left official footage from the later period and moved to a matured presentation unlike the early days.
- 2023News of the members and talk of a reunion make F.CUZ a way back into the mid-tier boy groups of the later second generation.
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Achievements
Key milestones
10
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 F.CUZ note
F.CUZ debuted on January 8, 2010 as the four of Jinon, LeeU, Kan and Yejun. The debut song Jiggy is a bright dance track that cut their name into the mid-tier boy groups of the later second generation. No One and Gorgeous followed the same year, stacking up the performing of the original four in a short stretch. When LeeU, the main vocal, left in 2011 the outline of the group changed a great deal, and in 2012 it was rebuilt as five with Daegeon and Raehyun added. That change of line-up, under Can&J's Entertainment and Tunes-Will Entertainment, is exactly why F.CUZ cannot be described by a single debut song.
Choosing No One as the entrance gives the clearest view. After the sharp early dance song pulls you in, the return song No.1 with five members shows the moment the group changed, and Midnight Sun from 2012 lands on the grown-up expression after the rebuild. Line those three up and it becomes clear how differently F.CUZ reads either side of the change. Carrying on to Dreaming i also covers the sound once the five-member line-up had settled in 2012. A catalogue mixing brightness with maturity is built so that starting from the early dance pop still opens another entrance partway through.
From 2013 the routes through Japanese releases and events grew stronger, and a Japanese catalogue carrying LUV HOLIC showed a face apart from the Korean side. Cha-Ga-Wa, on Bargaining for Love in 2014, left the matured finish of the later period and the sense of a run heading into its second half. In 2023 news of the members and talk of a reunion reached beyond the old fans, and F.CUZ was confirmed again as a way back into the mid-tier boy groups of the later second generation. Jiggy, then Midnight Sun, then Cha-Ga-Wa covers the brightness of the debut, the maturity after the rebuild and the finish of the later period.
Editors' take Jiggy / Midnight Sun / Cha-Ga-Wa — three songs cross a change of line-up in a five-piece from Can&J's Entertainment.
Trivia worth knowing
Spelling
F.CUZ is normally written with the full stops, while searches also turn up FCUZ, F Cuz and the Korean 포커즈.
Line-up
Separating the original four from the five that followed the arrival of Daegeon and Raehyun clarifies how the songs land.
Signature song
Jiggy, No One, No.1, Midnight Sun and Cha-Ga-Wa are the main entry points in release order.
Japan
LUV HOLIC and the Japanese event route mean the Korean schedule alone does not close the story.
Members
LeeU has later work under the name Lumin, which gives a route back to F.CUZ from the former-member side.
Comparison
Alongside SHU-I, DMTN and U-KISS, the late second-generation context of Japanese activity and mid-tier boy groups becomes clear.
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Japan activity score
KPOP DISCOVER original metric
No. 113/ 241 groups
No. 113 of 241 groups with recorded activity in Japan (top 47%)
- 2Japanese releases
- 7Japan-related tracks
- 0Members from Japan
- 1Official 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 2026-10-24).
How this score is calculated →View in JapaneseFrequently asked questions
What defines F.CUZ?
The bright early singles give way to harder dance material, and Midnight Sun onward sounds noticeably older.
Why should a new listener start with F.CUZ?
Come here if you are filling in the late second generation and want a group that kept working after the first line-up broke.
Which songs should a new listener try first?
Start with No One, Midnight Sun, then continue to the official video index.