Oh his title song, he said, "'Press My Number' is an urban pop dance song worked on byBruno Mars and the producing team The Stereotypes. The choreography was changed multiple times and I practiced a lot to have good chemistry with the dancers."

He also chose Kai as one of the artists he wanted to work with, saying, "I want to work with my friends. I think if I work with friends who I've been close to since we were trainees, I could have an energetic outcome."