Rookie Group CORTIS Takes Over! Gen Z Obsessed with Self-Produced ‘Young KK’ Vibe

CORTIS, calling themselves a “Young Creator Crew,” is quickly making a name for themselves with their unique, self-made music.

Debuting last August, CORTIS has drawn significant attention as the new boy group from Big Hit Music, following in the footsteps of BTS and TOMORROW X TOGETHER.

Just nine months after their debut, they are sweeping digital charts, album sales, and global metrics. This success comes from all members, with an average age of 18, participating in everything from music to choreography and video production.

Topping Digital and Album Charts… Aiming for the Billboard Main Charts

According to music industry sources on the 15th, CORTIS’s new song “REDRED” hit number one on the Melon Top 100 on the 13th. CORTIS is the first boy group with less than a year since debut to top the Melon Top 100 in the past year.

They also set a new personal record for album sales. According to Hanteo Chart, their second mini-album “GREENGREEN,” released on the 4th, recorded 2.31 million copies sold in its first week.

This is the second-highest first-week sales figure for a K-pop album released this year, following BTS’s fifth studio album “ARIRANG,” which sold 4.17 million copies in March.

While boy groups often rely heavily on fandom-driven consumption, CORTIS has proven their mainstream appeal by topping digital charts, making a strong impact in the competitive K-pop spring market.

The global response is equally impressive. “REDRED” reached number 17 on the “Bubbling Under Hot 100,” the final step before entering the main Billboard Hot 100. Their official social media followers have already surpassed 11 million.

All Members Co-Create… Embracing “Raw Charm”

Industry experts point to their unique identity as a “Young Creator Crew” as the key to their popularity.

CORTIS utilizes a “co-creation” system where every member participates in songwriting, composing, producing, choreographing, and video production. While idols like (G)I-DLE’s Soyeon or Block B’s Zico have written their own songs, it is rare for all members to be involved in the entire album production process.

Following their first album last September, every member is credited on their latest release.

Their work focuses on “raw emotions.” The title track “REDRED” carries a message about what CORTIS guards against and what they strive for.

The B-side track “ACAI” was inspired by the acai bowls the members ate every day during album preparations. Another track, “Young Creator Crew,” expresses their honest feelings about the nickname “Young KK” (short for “Young Creator Crew”).

The album photos emphasize an unpolished vibe, featuring the members in their everyday clothes and filming at locations they frequented as trainees, such as the Sinsa 2nd High School area (Gilmajung Bridge).

During their new album showcase, the members cited “honesty” as the secret to their success.

Analysis suggests that prioritizing a comfortable and natural image over mystery or complex lore has resonated with Gen Z and felt refreshing to older generations.

According to TikTok, “REDRED” was used as background music for over 460,000 short-form videos within eight days of release, driven by the “Pal-lang-gwi Dance Challenge.” On Melon, users in their 10s and 20s make up 38% of “REDRED” listeners.

Synergy Between Big Agency System and Member Autonomy… “A Team Breaking K-pop Grammar”

It is also noteworthy that CORTIS is a case of combining Big Hit Music’s production system (under HYBE) with member autonomy. They are praised for differentiating themselves from traditional idol production by leveraging large-scale capital and infrastructure while putting the members’ spontaneity and creativity at the forefront.

British magazine Dazed analyzed, “They are relatively free from the narrative and world-building devices often used in K-pop,” adding, “CORTIS’s unpretentious attitude and somewhat clumsy yet cheerful image have actually become their strength.”

Industry forecasts suggest CORTIS will go beyond being a popular idol group to blaze a new trail.

Pop music critic Lim Jin-mo analyzed, “I believe they are a team that will show a new K-pop trend after BTS. With the clear strength of members creating their own music and content, they have a high possibility of standing out globally, including in the US market.”

Pop music critic Kim Do-heon said, “Their seniors at the agency, BTS, also showed their color with unique music in the beginning. CORTIS has left a strong impression since debut as a team that breaks existing K-pop grammar.”

He added, “While they use provocative sounds, the lyrics are cute and witty. They are borrowing the charm of underground hip-hop and presenting it in an all-ages friendly format.”