The South Korean K-pop group CORTIS released the official music-video teaser for the song “ACAI” on Aug. 7, 2026 [1].

The release serves as a promotional push for the group's second mini-album, titled “GREENGREEN” [2]. As a rising act under Big Hit Music, the group is using the teaser to generate momentum and hype for their latest musical comeback [2].

The teaser was published on the HYBE LABELS YouTube channel and was also shared across TikTok to reach a broader global audience [1, 3]. This digital strategy follows the group's earlier efforts to establish a distinct identity, having previously released a debut EP titled “Color Outside the Lines” [1].

Market interest in the group remains high as they transition into this new era. Pre-order sales for the second mini-album, “GREENGREEN,” reached 2.02 million [2]. The album itself was released on May 4, 2026 [2].

CORTIS has previously gained attention for its blend of pop-rock vibes and quirky fashion choices in its visual content [1]. The “ACAI” teaser continues this trend of high-concept imagery designed to engage the group's growing fanbase. By leveraging the infrastructure of HYBE, the group continues to scale its visibility through coordinated multi-platform releases.

“Pre-order sales for the second mini-album GREENGREEN reached 2.02 million”

The high pre-order volume for 'GREENGREEN' indicates that CORTIS is successfully converting early debut interest into sustained commercial growth. By utilizing a staggered release of teasers and music videos, the group and its label are employing a standard K-pop 'comeback' strategy to maximize digital engagement and streaming numbers across global platforms.