Looks like fans are going need to 'good luck' when they see the handsome Doojoon in his own teaser for B2ST's upcoming comeback with "Good Luck."

SEE ALSO: Kikwang spies on a mysterious woman in his individual teaser clip for B2ST's 'Good Luck'

Showing off his perfect profile, Doojoon stands outside a door, hesitant to knock on it as he suspects his woman with another man! �The dramatic violins and beat give an ominous but thrilling feel to the whole teaser, followed by Doojoon's echoing vocals in the end.

Stay tuned for their release in just a few days!