Kim Yoo Jung releases dance version for 'Happy' MV

Actress Kim Yoo Jung's song 'Happy' is like a vitamin in the dance version MV.

The MV shows a man dancing in the middle of the busy streets of Seoul. As he continues dancing, more and more people started to dance with him creating a joyous and lively atmosphere.

The song aims to raise awareness to volunteer despite of busy schedules. Watch the heartwarming MV below: