Cortis will bring out second EP “GreenGreen” on May 4 and drop the lead single in April, along with a supporting music video. The rookie boy group will upload a series of teaser content leading up to the album release, starting with a batch of photographs on April 6. The title of the main track is to be disclosed a week before the drop, accompanied by a music video teaser. The five-member act is also planning to host two in-person release parties, celebrating the main track in April and the albu