GREENGREEN is the second EP from Cortis, built around a six-track collection that explores the group's artistic identity and creative direction. Featuring songs including "TNT," "REDRED," "ACAI," and "Blue Lips," the album presents a cohesive concept across it's musical and visual themes. This Korean physical edition is offered as the Cortis Ball Version. The release provides fans with a distinctive collector-oriented presentation while keeping the focus on the album itself. This edition is the official Cortis Ball Version of GREENGREEN.