The top Korean choreographer Doobu released a dance video of team "Project X."

On January 14, "Project X" was released through YouTube. The video contained a sexy beat and synchronized army-like dancing, catching much attention.

For "Project X" 2015 lineup, choreographer Doobu, N-Sonic's J-Heart, Block B's B-bomb, 24K's Dale, and My Name's Saeyong joined and the filming was done by the dance video professional director Gold Finger.

One representative said, "We worked hard on it as it's our first project in 2 years and the fact that such great dancers collaborated together is a beauty in itself. The members had a special affection for the project despite their own busy schedules so please be excited for an amazing performance."