B1A4 release 2nd MV teaser for 'Lonely'

B1A4 are gearing for their comeback as they release the 2nd teaser for their title track 'Lonely'.
The teaser shows Jinyoung as the leading actor in the MV with a girl who is floating with the balloons.

The full MV will be released on January 13. Meanwhile, watch the teaser below: