New boy group 2NISE have released an MV teaser for their debut single featuring Ha Joo Yeon of Jewelry and it has been getting a lot of attention for its sexy star, Yoo Sara, who has been dubbed the "Engineering School Beauty." The song deals with the complications that arise in casual and serious relationships between men and women. 2NISE is made up of three members, John, Hohyeon, Jogeun, who all take part in the composition and production of their music. Their sound spans across genres of Hip Hop, R&B and electronica. http://www.youtube.com/watch?v=43WIOdpLvZY