KNK released the music video teaser for their upcoming track "Lonely Night" after a series of member teaser videos.

As previously revealed, KNK is gearing up to make a return with their 3rd single album 'Lonely Night' on January 7. The group will be making a comeback with new member Lee Dong Won with a more somber concept. KNK's Heejun also had a hand in writing the lyrics for their title track "Lonely Night". Watch the "Lonely Night" MV teaser above!