NCT U's Mark and Lucas are the latest "bosses" to be teased for the group's upcoming track "Boss"!

Like the previous teasers, Mark and Lucas' teaser video and images have an ethereal, mysterious quality that's keeping fans guessing. As previously reported, NCT U have already released the music video teaser for "Boss", and it looks like fans will get more teasers of the members. "Boss" is a part of NCT's 18-member comeback project 'NCT 2018'.

Stay tuned for updates on NCT and NCT U!