On March 1st 2023, boy group Trendz took to social media to announce their march comeback with their 2nd mini album titled Blue Set Chapter. New Dayz. Shortly after posting the announcement their scheduler was posted along with concept photos.

The album is set to be released March 15th at 6pm KST. This marks their first comeback of the year 2023, and comes approximately 4 months after their last release Blue Set Chapter Unknown Code and title track Vagabond.

On March 4th they dropped their mood film, giving fans a glimpse of what's to come!