KPOP 5th generation · BIGHIT MUSIC
CORTIS
コルティス / 코르티스
CORTIS is the newest group from BIGHIT MUSIC, with James, Martin, Juhoon, Seonghyeon and Keonho debuting in 2025.
- 2025DebutAug 18, 2025
- 5Members
- 5thGeneration
- COERFandom
Last updated:
01
In 30 seconds: CORTIS
The video work is unusually finished for a first year, and the performance material has been published alongside it from the start.
Follow this to see what the label behind BTS builds now, with a decade more resources than it had then.
02
Key facts
- Group name
- CORTIS
- Reading / Hangul
- コルティス / 코르티스
- Company
- BIGHIT MUSIC
- Debut date
- August 18, 2025
- Days active
- 439 days (1 year, 2 months)
- Debut song
- What You Want
- Generation
- 5th generation
- Fandom name
- COER(コア)
03
Member guide
Profile comparison
| Members | Birth date | Blood type | MBTI | Nationality | ||
|---|---|---|---|---|---|---|
| ジェームス | 2005-10-14 | 21 | 176-178cm | A | INTP | Thailand · Taiwan |
| マーティン | 2008-03-20 | 18 | 190.5cm | O | INFP / ENFP | South Korea · Canada |
| ジュフン | 2008-01-03 | 18 | 175-176cm | O | ISFP | South Korea |
| ソンヒョン | 2009-01-13 | 17 | 175cm | A | INTP | South Korea |
| ゴンホ | 2009-02-14 | 17 | 178cm | O | INTP | South Korea |
Ages are as of 2026-10-31.
Selected releases
04
Start here
Follow a few songs from the starting point to the group's current sound.
GREENGREEN_playextended
What You Want MVWhat You Want is the debut, and the filmmaking is the first thing that registers.
GO! MVGO! is the one with momentum, and it makes the better opening if the visuals matter less to you.
FaSHioN MVFaSHioN is the clearest recent read on the group, especially with the performance footage.MVView in JapaneseDance PracticeView in JapanesePerformanceView in JapaneseLiveView in JapaneseStageView in JapaneseAudioView in Japanese
View all official videos →05
From debut to now
- 2025James, Martin, Juhoon, Seonghyeon and Keonho arrived through HYBE LABELS as a five-piece boy group of the fifth generation.
- 2026Dance Practice uploads on the official channel put the choreography next to the music videos, refreshing the early colour of the fifth generation.
06
Achievements
Key milestones
Music show wins
Records
10 recordsMost recent broadcast first
Program / edition
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.
10
Official links
Official site
Official social accounts and platforms
Shopping guide
Verified English shopping links are not yet available.
12
KPOP DISCOVER's CORTIS note
CORTIS is a five-piece that BIGHIT MUSIC launched in August 2025. James, Martin, Juhoon, Seonghyeon and Keonho all began moving at once on the debut song What You Want. As a boy group of the fifth generation they have stacked up an early identity by alternating between music videos and Performance Film.
The easiest way in is GO!, where the drive of the official video becomes the first impression of the group. Move on to What You Want and the care in the filming, plus the way the five build their expressions, comes through. The September releases FaSHioN and REDRED reach a different face, and setting the Dance Practice for the same song beside them makes the intent of the choreography easy to read.
Through 2026 the Dance Practice uploads piled up, so choreography footage now runs unbroken alongside the music videos. With the paths through the group in order, GO!, then What You Want, then FaSHioN works as a run.
Editors' take GO! / What You Want / FaSHioN — a five-piece out of BIGHIT MUSIC whose early colour as a fifth-generation group fits into three songs.
Trivia worth knowing
Entry point
GO! is the way in for sheer momentum, while What You Want reveals how carefully CORTIS build their visuals.
Video
Splitting the HYBE LABELS music videos from the Dance Practice uploads on the CORTIS channel makes the gap between release film and choreography film obvious.
Members
James, Martin, Juhoon, Seonghyeon and Keonho are easiest to learn by moving between where they stand in the official videos and their individual profiles.
Releases
GO!, What You Want, FaSHioN and REDRED all land just after debut, and they repay being followed both by release order and by video type.
Note
Because the act is so new, thinly sourced profile claims are kept out, and the focus stays on what the official footage actually confirms.
Comparison
Placed next to TWS, RIIZE and BOYNEXTDOOR, the video-led entry points of late-2020s boy groups line up for comparison.
Frequently asked questions
What defines CORTIS?
The video work is unusually finished for a first year, and the performance material has been published alongside it from the start.
Why should a new listener start with CORTIS?
Follow this to see what the label behind BTS builds now, with a decade more resources than it had then.
Which songs should a new listener try first?
Start with What You Want, GO!, FaSHioN, then continue to the official video index.