The boys have been teasing endlessly with teaser images and sound clips, and the MV teaser is finally out! We finally get to see some of the choreography as well as the concept for the boys (including a very blond Siwan!).

SEE ALSO: Listen to ZE:A's preview for 'Ghost of the Wind'!

"Ghost of the Wind" and their new album 'Illusion' are dropping on August 9 KST. Check out the MV teaser above!

[Thanks to everyone who sent this in!]