CORTIS’ track, ‘REDRED’, from their second EP, ‘GREENGREEN’ had already begun gaining attention on TikTok even before its official release, signaling strong anticipation for the group’s latest musical direction. While pre-release snippets and viral moments have become common in K-pop, ‘REDRED’ stood out because it didn’t rely only on hype. It created curiosity around CORTIS’ evolving sound and hinted at a more defined artistic identity.