[3] On June 21, the official Dreamcatcher X (formerly Twitter) account posted a mystery code image containing times and co-ordinates to several locations throughout Seoul.

Fans gathered at the corresponding times to receive an AirDrop at each location, each of which contained a unique mystery code image.

Upon collating the images, the mystery code could be solved, revealing the comeback date and album title.

[6][7] On July 5, it was announced on the official Dreamcatcher online message board that the main vocalist Siyeon would not be participating in the album promotions due to anxiety and poor health and would be going on hiatus.

[9][10] The main concept of the track and music video is a hero fighting against evil, which is in contrast with the themes of temptation and narcissism prevalent in "OOTD".