- Debut
- 18 August 2025
- Fandom
- COER
- Members
- 5
- Agency
- HYBE Labels
Their story
CORTIS (코르티스) is a boy group that debuted on 18 August 2025 with What You Want.
CORTIS’s current line-up brings together James, Juhoon, Martin, Seonghyeon and Keonho. Fans are known as COER.
Read the full story
CORTIS’s release catalogue includes GREENGREEN_playextended (2026), MOTION (feat. Juicy J) (2026) and GREENGREEN (2026).
REDRED earned CORTIS a first music-show win on 30 April 2026 on M Countdown.
Meet your bias
5 members
The names, faces and stories behind the music.
Juhoon
Martin
Seonghyeon
Keonho
Next up: birthdays
Celebrate the members’ special days.
- Juhoon
- Seonghyeon
- Keonho
Every era. Every release.
Albums, singles and the music behind them.
Start listening
Find CORTIS on their official music channels.
The moments that matter
- 2025
Debut
18 August 2025 · What You Want
- 2026
First music-show win
REDRED · M Countdown
- 2026
GREENGREEN
EP
- 2026
MOTION (feat. Juicy J)
Single
- 2026
GREENGREEN_playextended
Repackage
Explore more
More CORTIS
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