NU'EST released a music video teaser for their special single, "I'm Bad," on February 26.

NU'EST, represented by Pledis Entertainent, will be celebrating their third anniversary since their debut with the release of the song.  Their debut was on March 15, and "I'm Bad" will be released on February 27. 

The teaser video for "I'm Bad" begins with a dancing ballerina and transitions into shots of the NU'EST members.  The video ends with the dancer lying on the ground with her eyes closed.

"I'm Bad" will be NU'EST's first comeback in Korea since their album, Re:BIRTH, which was released in July 2014.