His fellow Running Man co-stars Haha and Gary participated in the album as well as former Running Man member Song Joong-ki, who starred in the music video for lead single "Men Are All Like That".
Rekannya di Running Man Haha dan Gary berpartisipasi dalam album tersebut serta mantan anggota Running Man Song Joong-ki, yang tampil dalam video musik pada singel utama "Men Are All Like That".