CORTIS

CORTIS is a 5-member boy group under BIGHIT MUSIC. They debuted on August 18, 2025, and their fans are called COER (코어).

Facts checked November 14, 2026

Members

Ages, birthdays and birth order

Music videos

Blue Lips came out on May 4, 2026, on the album .

The official video for MOTION (feat. Juicy J) is not listed here yet.

Watch all 6 music videos in order

New on the official channel

Albums and singles

ReleasedAlbumTitle track
MOTION (feat. Juicy J)Digital singleMOTION (feat. Juicy J)
GREENGREENEPREDRED
REDREDDigital singleREDRED
Mention Me (From the Movie GOAT)SoundtrackMention Me
COLOR OUTSIDE THE LINESEPWhat You Want
What You Want (feat. Teezo Touchdown)Digital singleWhat You Want
What You WantDigital singleWhat You Want

Tour dates and shows

Past shows (14)
DatesCityStatus
September 4, 5 and 6, 20262026 CORTIS TOUR <PUT YOUR PHONE DOWN>Kanagawa, JapanPIA ARENA MMFinished
August 22 and 23, 20262026 CORTIS TOUR <PUT YOUR PHONE DOWN>Seoul, South KoreaKorea University Hwajeong Tiger DomeFinished
August 15 and 16, 20262026 CORTIS TOUR <PUT YOUR PHONE DOWN>San Francisco, United StatesThe Theater at Bill Graham Civic AuditoriumFinished
August 13, 20262026 CORTIS TOUR <PUT YOUR PHONE DOWN>Los Angeles, United StatesYouTube TheaterFinished
August 11, 20262026 CORTIS TOUR <PUT YOUR PHONE DOWN>Irving, United StatesThe Pavilion at Toyota Music FactoryFinished
August 8, 20262026 CORTIS TOUR <PUT YOUR PHONE DOWN>Atlanta, United StatesFox TheatreFinished
August 6, 20262026 CORTIS TOUR <PUT YOUR PHONE DOWN>New York, United StatesInfosys Theater at Madison Square GardenFinished
August 4, 20262026 CORTIS TOUR <PUT YOUR PHONE DOWN>Toronto, CanadaThe Theatre at Great Canadian TorontoFinished
July 18 and 19, 20262026 CORTIS TOUR <PUT YOUR PHONE DOWN>Incheon, South KoreaINSPIRE ARENAFinished

Dates can change. Check the official notice before you book.

Official channels

About CORTIS

CORTIS debuted on August 18, 2025 with the digital single What You Want, and the title track has the same name. The group belongs to BIGHIT MUSIC. The 5 members are Martin, James, Juhoon, Seonghyeon and Keonho, and Martin is the leader.

The first EP, COLOR OUTSIDE THE LINES, came out on September 8, 2025, with "What You Want" as its title track. In February 2026 the group sang "Mention Me" for the movie GOAT. Then came the digital single REDRED in April 2026 and the EP GREENGREEN in May 2026, both with "REDRED" as the title track. MOTION (feat. Juicy J) followed on July 31, 2026.

The newest album is GREENGREEN, out on May 4, 2026. Watch every official CORTIS music video in release order, from 2025 to 2026.

2026 CORTIS TOUR <PUT YOUR PHONE DOWN> ran from July 18 to September 6, 2026. It had 14 shows in nine cities, including Seoul, Incheon, Kanagawa, Toronto, New York and Los Angeles. The fandom name COER was announced on November 25, 2025. BIGHIT MUSIC is also home to BTS and TOMORROW X TOGETHER.

Questions fans ask

How many members are in CORTIS?

CORTIS has 5 members: Martin, James, Juhoon, Seonghyeon and Keonho.

Who is the leader of CORTIS?

Martin is the leader of CORTIS. He was born on March 20, 2008, in Canada.

Who is the oldest and youngest member of CORTIS?

James is the oldest member and Keonho is the youngest.

When did CORTIS debut?

CORTIS debuted on August 18, 2025 with the digital single What You Want.

What is the CORTIS fandom called?

CORTIS fans are called COER (코어). The name was announced on November 25, 2025.

What is the latest CORTIS album?

The latest CORTIS album is GREENGREEN, out on May 4, 2026.

What is the title track of CORTIS's first EP?

The title track of COLOR OUTSIDE THE LINES is "What You Want." The EP came out on September 8, 2025.

When was the CORTIS PUT YOUR PHONE DOWN tour?

2026 CORTIS TOUR <PUT YOUR PHONE DOWN> ran from July 18 to September 6, 2026, with 14 shows in the US, Canada, Japan and South Korea.

Sources