ROOKiEZ is PUNK'D's first song released after resuming activities. A rock song with a melody line full of ROOKiEZ characteristics, a fast-paced feel, and a straightforward song about his own experiences and thoughts during his hiatus. It was created based on the concept of delivering the most ROOKiEZ-like songs, without thinking about trends or marketing at all, thinking about the fans who have been waiting for ROOKiEZ is PUNK'D to resume their activities even during the 4-year hiatus. One song.