Video Teaser: 2YOON - 24/7 (Feat. Jiyoon)

4minute's first sub-unit 2YOON will be making their official debut on January 17th with their first mini-album "Harvest Moon". A video teaser was released for the duo's upcoming title track "24/7" featuring member Gayoon. The second video has been revealed for member Jiyoon.

The music video is set to feature comedian Jung Hyungdon.

Check out the video teaser, after the jump.