Sistar's Hyorin, Jooyoung and Bumkey have released 'Love Line' MV teaser.

As it was previously revealed, 'Love Line' is a special collaboration between Hyorin, Jooyoung, Bumkey and world-class producer Da Internz. Based on the teaser, it will be an upbeat R&B track accompanied by the three's wonderful harmony.

'Love Line' will be released on December 18th.