3YE have dropped their long teaser video for "Yessir".

In the teaser, 3YE gather an army and step in a charismatic march. "Yessir" is the title song of the girl group's first mini album 'Triangle', which drops on June 29 KST.

Watch 3YE's "Yessir" long teaser video above, and let us know what you think in the comments below.