CORTIS is continuing its rapid rise in the K-pop scene, reaching an impressive new milestone with its second EP, GREENGREEN.

According to recent Circle Chart figures, GREENGREEN has surpassed 4.1 million copies in cumulative sales in South Korea. The achievement places the young BigHit Music group among a very small number of artists capable of reaching the four-million mark with a single Korean release.

Released in May 2026, GREENGREEN showed strong demand from the beginning. The EP recorded more than 2.3 million copies during its first week of release based on Hanteo Chart figures, demonstrating a significant increase compared with the group's debut project.

What makes the album's performance particularly noteworthy is that sales continued well beyond its opening period. By July, the EP had already exceeded three million cumulative copies on Circle Chart. Continued fan interest helped push that figure beyond four million by September.

Songs from the project, including title track “REDRED” and B-side “YOUNGCREATORCREW,” have also helped maintain attention around the release.

CORTIS' earlier music is benefiting from the group's growing popularity as well. Their debut EP, COLOR OUTSIDE THE LINES, released in September 2025, has accumulated approximately 2.3 million copies in sales. Combined, the group's first two EPs have now exceeded six million copies.

The group's momentum is not limited to the Korean market.

GREENGREEN entered the Billboard 200 at No. 3 following its release and remained on the U.S. albums chart for 18 consecutive weeks as of mid-September. Such chart longevity suggests that international interest in CORTIS has continued well after the album's initial launch.

The four-million milestone also puts GREENGREEN alongside BTS' ARIRANG as one of the Korean albums released in 2026 to cross that sales threshold.

However, the two groups are at very different stages of their careers. Rather than suggesting an equal level of global recognition, CORTIS' achievement highlights how quickly the newer group has developed a substantial album-buying audience.

With more than six million copies sold across just two EPs and a sustained presence on the Billboard 200, CORTIS is establishing itself as one of the notable emerging names in the current generation of K-pop.

The next major test will be whether the group can carry the momentum generated by GREENGREEN into its future releases and continue expanding its international audience.

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