"Devil" is a single released by South Korean boy band Super Junior on July 16, 2015.

[3] "Devil" is a funk rock song with a trendy melody produced by American production team, The Stereotypes, and SM Entertainment's resident songwriter, Kenzie.

[4] The song marked the departure of Yoo Young-jin who wrote the group's title track since their debut.

[8][9] During the group's encore concert, Super Show 6 in Seoul on July 11, 2015, band leader Leeteuk announced to the fans that the music video for "Devil" will be the first-ever music video by SM Entertainment that is classified 19+.

Leeteuk explained the change from the usual family-friendly songs citing the fans' grew up together with the band in the last 10 years.