HYBE Labels released the official music-video teaser for the song “TNT” by the K-pop boy group CORTIS on May 4, 2026 [1].

The release signals the group's transition into a new creative phase as they prepare to launch their second EP, titled “GREENGREEN” [1]. This project follows the group's initial entry into the music industry and aims to expand their reach within the global K-pop market.

The teaser was published on the official HYBE Labels YouTube channel at 6 p.m. KST, which corresponds to 5 a.m. ET [1]. The short video provides a glimpse into the visual and sonic direction of “TNT,” a track that serves as a primary promotional vehicle for the upcoming EP [1].

CORTIS is a new boy group operating under the HYBE Labels umbrella. While the group previously released a debut EP titled “COLOR OUTSIDE THE LINES,” the current promotional cycle focuses exclusively on the “GREENGREEN” project [1].

Industry observers have noted discrepancies in reporting regarding the group's discography. Some reports previously highlighted tracks such as “FaSHioN” and “Go!” from the debut project, but the latest official communication from HYBE Labels focuses on the release of “TNT” [1].

The timing of the teaser is designed to build anticipation ahead of the full EP release. By utilizing the high-traffic HYBE YouTube channel, the label ensures maximum visibility for the group's second major musical effort [1].

“HYBE Labels released the official music-video teaser for the song “TNT””

The release of the 'TNT' teaser indicates that HYBE Labels is aggressively accelerating the promotional timeline for CORTIS. By moving quickly from a debut project to a second EP, the label is attempting to establish the group's sonic identity and maintain momentum in a highly competitive K-pop landscape where frequent content cycles are essential for fan retention.