After having been released their individual teaser images, the boys of B1A4 are all geared up for their much-awaited comeback. Following the very successful 2011 with the release two mini albums, the boys are ready to capture fans' hearts with first full-length album "IGNITION".

According to the group's agency, WM Entertainment, B1A4 will give their comeback performance this week starting on Mnet's "M! Countdown" on March 15th. The group will be promoting their new title track, "Baby I'm Sorry", marking their return to the music scene.

Ahead of their first comeback performance, B1A4 will release their first full-length album "IGNITION". The album will be available physically as well as digitally through online music websites.

"The title of the album IGNITION refers to the group's official start," a representative stated, adding that the previously-released teaser photos of members showed their manliness.