"Crush U" is a song by EXO-CBX, along with Yoon Sang. It was released December 8, 2016 as a promotional single. It serves as soundtrack of game Blade & Soul. In November 2016, EXO-CBX recorded a remake of the original soundtrack "Crush U" for the game Blade & Soul. They performed the song on November 18 at the N-Pop Showcase concert, part of the 2016 Blade & Soul world championship tournament.