CORTIS: BigHit Music’s Secretive New Boy Band Debut Date, Members, and Everything You Need To Know!
- Disha Paul
- Aug 7
- 3 min read
More than six years after the debut of TXT, BigHit Music is finally launching a new boy group. Meet CORTIS, the upcoming five-member K-pop group set to debut on August 18, 2025.
From their creative identity to their self-produced music and choreography, CORTIS is already making waves online. The excitement around this group is real, especially since it marks BigHit’s first boy group since TXT.
If you're curious about who they are, what makes them different, and why fans are already obsessed, here’s everything you need to know!
What Is CORTIS?
CORTIS is the first boy group from BigHit Music (part of HYBE) in six years following TXT in 2019. Their debut is scheduled for August 18, 2025
The name “CORTIS” is derived from the phrase “Color Outside the Lines", symbolizing creative freedom and a break from traditional K-pop norms.
CORTIS Members: Meet the Five Talented Rookies
CORTIS is made up of five teenage members with diverse cultural backgrounds and talents:
Martin — Born March 20, 2008 (Canadian-Korean), known for songwriting and rumored to be the group’s leader
James — Born October 14, 2005 (Thai-Chinese), oldest member, contributes to choreography
Juhoon — Born January 3, 2008 (Korean)
Seonghyeon — Born January 13, 2009 (Korean)
Keonho — Born February 14, 2009 (Korean), the youngest (maknae) member with an athletic background
This youthful lineup is already gaining attention for their natural talent and involvement in the group’s creative direction.
Pre-debut Works of the Members
Even before their debut, members have already contributed to senior HYBE artists’ works. Notably, Martin and James were involved in songs like "Deja Vu", "Miracle", and "Beautiful Strangers", as well as choreography for "Magnetic" and "Deja Vu".
Official Debut Date and Social Media Teasers Revealed
On August 7, CORTIS made their announcement through social media and a unique “logo sound” teaser on TikTok. The video, made using Martin’s actual composition software, emphasized the group's creative spirit. Behind-the-scenes footage showed the members recording in an authentic studio space
The group has also launched their official Instagram and X (formerly Twitter) accounts, sharing three teaser clips. These short videos hint at behind-the-scenes moments, including glimpses of the group's logo, a possible recording session, and one member’s partially hidden face asking fans to stay tuned.
Their official debut date is set for August 11, 2025, with the release of their first single "GO!" and its music video premiering on YouTube. The announcement was also shared through their Instagram story, giving fans a direct update.
This debut marks BigHit Music’s first boy group launch since TXT debuted in 2019.
Why Fans Are Excited
CORTIS’s debut marks HYBE’s push into a new era of artist involvement and innovation. Fans are already buzzing about their creative control, youth, and talents, raising high expectations for a fresh direction in K-pop.
Final Thoughts
With their debut on the near horizon, CORTIS stands out as a self-producing group that follows BTS and TXT while forging its creative path. Their collaborative approach to music, choreography, and visuals feels like a bold step for K-pop.
What are you most curious to see from CORTIS when they debut it is songs, choreography, visuals, or something else?