NCT 2021 have dropped their 'YearDream : Stage 4 - Resonance' video.

In this teaser video, NCT members are seen showing off their ethereal yet mysterious visuals along with their narrations in the background. Many fans expressed the video looks like a video pictorial without the sound. 

Meanwhile, NCT 2021's third album 'Universe' is set to drop on December 14 at 6 PM KST.

Watch NCT 2021's latest teaser video above, and let us know what you think in the comments below.