Blogged By: De De Tillman; International Celebrity Blogger Source: Koreaboo Media Credit: Koreaboo Posted: Saturday April 27, 2013 @ 12:58 p.m PST        B1A4 has released a set of images starring maknae Gongchan.  B1A4 will be making their comeback on May 6th with their fourth mini-album, “What’s Going On?”