Boy groupBig Hit Music2025–present
CORTIS
코르티스
CORTIS is a five-member BIGHIT MUSIC boy group whose members collaborate on music, choreography and video production.
- Debut
- 2025
- Aug 18, 2025
- Members
- 5
- Show wins
- 11
- latest May 31
- Awards won
- 11
- 5 nominations
5 members
CORTIS members
LeaderMartin
마틴Martin Edwards
- Age
- 18
- Height
- —
- MBTI
- ENFP
- Born
- Mar 20, 2008
- From
- Songpa-gu, Seoul, South Korea
- Blood type
- O
Martin is the leader of CORTIS and contributes to the group’s songwriting, production and performances. Before debuting with the group, he worked on songs for ILLIT, TOMORROW X TOGETHER and LE SSERAFIM. He has described making music with his fellow trainees as a central part of his teenage years.
James
제임스Chao Yu-fan
- Age
- 20
- Height
- 178 cm
- MBTI
- INTP
- Born
- Oct 14, 2005
- From
- —
- Blood type
- A
James is the oldest member of CORTIS and takes part in creating the group’s choreography, music and videos. He previously appeared in BIGHIT MUSIC’s Trainee A project. Before his debut, a movement he devised during a songwriting session became part of ILLIT’s “Magnetic” choreography.
Juhoon
주훈Kim Ju-hoon
- Age
- 18
- Height
- —
- MBTI
- ISFP
- Born
- Jan 3, 2008
- From
- Seoul, South Korea
- Blood type
- O
Juhoon is a member of CORTIS with a background in child modelling and youth sports. He was the last of the five members to join the trainee lineup. Since debuting, he has taken part in writing the group’s music and developing its videos.
Seonghyeon
성현Eom Seong-hyeon
- Age
- 17
- Height
- 175 cm
- MBTI
- INTP
- Born
- Jan 13, 2009
- From
- Seo-gu, Daejeon, South Korea
- Blood type
- A
Seonghyeon is a member of CORTIS who works on the group’s songs alongside its other members. He became a trainee after being scouted and contributed to all five original tracks on the debut EP. In 2026, his writing extended to the group’s first film soundtrack song, “Mention Me.”
MaknaeKeonho
건호An Keon-ho
- Age
- 17
- Height
- 178 cm
- MBTI
- INTP
- Born
- Feb 14, 2009
- From
- Suwon, Gyeonggi-do, South Korea
- Blood type
- O
Keonho is the youngest member of CORTIS. A competitive swimmer before becoming a trainee, he moved into music after being scouted on his way to the pool. He contributes to the group’s performances and has helped plan and storyboard its music videos.
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Profile & facts
About CORTIS
- Debut
- August 18, 2025
- with “GO!”
- Agency
- Big Hit Music
- founded 2005
- Fandom
- COER
- Leader
- Martin
- Oldest
- James
- 20 years old
- Youngest (maknae)
- Keonho
- 17 years old
- Generation
- 5th gen
- debuts 2023 onwards
- Origin
- Seoul, South Korea
- Status
- Active
- 2025–present
- First music show win
- “RedRed”
- M Countdown · Apr 30, 2026 · 255 days after debut
- Latest release
- GREENGREEN_playextended
- Aug 24, 2026
CORTIS is a five-member boy group formed by BIGHIT MUSIC, bringing together Martin, James, Juhoon, Seonghyeon and Keonho. Its name comes from the phrase “Color Outside the Lines.” After introducing themselves with the pre-debut single “GO!,” the members officially debuted on August 18, 2025 with “What You Want.” They work together on songwriting, choreography and videos without fixed performance positions.
+Read the full story
Their first EP, COLOR OUTSIDE THE LINES, arrived on September 8, 2025 and reached number one on the Circle Album Chart and number 15 on the Billboard 200. Its songs include “FaSHioN,” “JoyRide” and “Lullaby,” alongside the two introductory singles. The group received rookie awards at MAMA, the Asia Artist Awards, Golden Disc and Hanteo, and named its fandom COER.
In 2026, CORTIS contributed “Mention Me” to the film GOAT and returned with the second EP GREENGREEN, led by the Circle Digital Chart number-one single “REDRED.” The group began its PUT YOUR PHONE DOWN tour and released “MOTION” with Juicy J. On August 24, GREENGREEN_playextended added “PACK IT UP” and “MONEYMONEYMONEY” to the second EP.
Frequently asked
How many members does CORTIS have?
CORTIS has 5 members: Martin, James, Juhoon, Seonghyeon and Keonho.
When did CORTIS debut?
CORTIS debuted on August 18, 2025 with GO! and its title track “GO!” under Big Hit Music.
Who is the leader of CORTIS?
Martin is the leader of CORTIS. The youngest member (maknae) is Keonho, the oldest is James.
What is CORTIS's fandom name?
CORTIS's fans are called COER.
How many music show wins does CORTIS have?
CORTIS has 11 music show wins. The first came on April 30, 2026 with “RedRed” on M Countdown, 255 days after debut.
Which generation is CORTIS?
CORTIS is a 5th generation K-pop group (debuted 2025).
10 releases · newest first
CORTIS discography
Every album, EP and single in order of release. Pick one for its title track, chart peak, sales, tracklist and where to listen. Chart peaks are from the Circle Album Chart; sales are Korean physical copies.
1 of 10 · newest
GREENGREEN_playextended
Title track: “REDRED”
- Label
- BIGHIT MUSIC
Expanded edition of GREENGREEN with the additional tracks PACK IT UP and MONEYMONEYMONEY.
Tracklist · 8 tracks
- 1TNT
- 2REDREDTitle
- 3ACAI
- 4YOUNGCREATORCREW
- 5Wassup
- 6Blue Lips
- 7PACK IT UP
- 8MONEYMONEYMONEY
MOTION (feat. Juicy J)
Title track: “MOTION (feat. Juicy J)”
- Label
- BIGHIT MUSIC
Standalone collaboration with Juicy J.
Tracklist · 1 track
- 1MOTION (feat. Juicy J) — Featuring Juicy JTitle
GREENGREEN
Title track: “REDRED”
- Peak, Circle Album Chart
- #1 Circle Album Chart
- Sales, Korea
- 2,885,985 sold (KR)
- Label
- BIGHIT MUSIC
Second EP.
Tracklist · 6 tracks
- 1TNT
- 2REDREDTitle
- 3ACAI
- 4YOUNGCREATORCREW
- 5Wassup
- 6Blue Lips
REDRED
Title track: “REDRED”
- Label
- BIGHIT MUSIC
Pre-release lead single from GREENGREEN.
Tracklist · 1 track
- 1REDREDTitle
Mention Me (From The Movie "GOAT")
Title track: “Mention Me (From The Movie "GOAT")”
- Label
- Mercury Records
CORTIS’s contribution to the GOAT original motion picture soundtrack.
Tracklist · 1 track
- 1Mention Me (From The Movie "GOAT")Title
FaSHioN
Title track: “FaSHioN”
- Label
- BIGHIT MUSIC
Promoted single and music video released with COLOR OUTSIDE THE LINES.
Tracklist · 1 track
- 1FaSHioNTitle
COLOR OUTSIDE THE LINES
Title track: “What You Want”
- Peak, Circle Album Chart
- #1 Circle Album Chart
- Sales, Korea
- 2,148,582 sold (KR)
- Label
- BIGHIT MUSIC
Debut EP; this digital edition adds the Teezo Touchdown collaboration to the five-track physical edition.
Tracklist · 6 tracks
- 1GO!
- 2What You WantTitle
- 3FaSHioN
- 4JoyRide
- 5Lullaby
- 6What You Want (feat. Teezo Touchdown) — English version featuring Teezo Touchdown
What You Want (feat. Teezo Touchdown)
Title track: “What You Want (feat. Teezo Touchdown)”
- Label
- BIGHIT MUSIC
English collaboration version of the debut single.
Tracklist · 1 track
- 1What You Want (feat. Teezo Touchdown) — English version featuring Teezo TouchdownTitle
What You Want
Title track: “What You Want”
- Label
- BIGHIT MUSIC
Official debut single; the lead track of COLOR OUTSIDE THE LINES.
Tracklist · 1 track
- 1What You WantTitle
GO!
Title track: “GO!”
- Label
- BIGHIT MUSIC
Pre-debut single and music-video release, later included on COLOR OUTSIDE THE LINES.
Tracklist · 1 track
- 1GO!Title
Weekly music programs
CORTIS music show wins
Every first place on The Show, Show Champion, M Countdown, Music Bank, Show! Music Core and Inkigayo, grouped by song.
11“RedRed”11 wins · Apr–May 2026 · Triple crown on M Countdown, Show! Music Core, Inkigayo
- M Countdown
- M Countdown
- Show Champ.
- M Countdown
- Music Bank
- Music Core
- Inkigayo
- Music Core
- Inkigayo
- Music Core
- Inkigayo
- Song page
11 wins · 5 nominations
CORTIS awards
20267 awards
Dreams Silver Label
D Awards
Rookie Artist of the Year
Golden Disc Awards
Rookie of the Year
Hanteo Music Awards
Ultimate 12 · REDRED
KM Chart Awards
Record of the Year · REDRED
KM Chart Awards
Best Singer
Korea Broadcasting Awards
Best K-pop New Artist
iHeartRadio Music Awards
20254 awards
Best Performance
Asia Artist Awards
Rookie of the Year – Singer
Asia Artist Awards
Best New Artist
MAMA Awards
Global Rookie Award
TikTok Awards Korea
+Also nominated 5 times
- 2026 · MTV Video Music Awards — Best K-pop (REDRED)
- 2026 · MTV Video Music Awards — Best New Artist
- 2026 · iHeartRadio Music Awards — Favorite TikTok Dance (GO!)
- 2025 · MAMA Awards — Song of the Year (GO!)
- 2025 · MAMA Awards — Artist of the Year