Having revealed both a short CF and a CF song last month, T-ara and Yoon Si Yoon have recently revealed the full music video for KT Tech's new phone model, "Mongeul Mongeul". The MV stars 1N2D's mascot dog, Sanggeun, who acts as a love messenger between T-ara's Jiyeong and Yoon Si Yoon. Check out the cute music video below: http://www.youtube.com/watch?v=Wfi-NAL6EJs Thanks to everyone who sent this in.