Boyfriend is a six member boy group signed to StarShip Entertainment. The group was first introduced in early 2011 when pictures of KwangMin YoungMin, who are identical twins, were released to the public. Gaining much attention from netizens. From then on StarShip released photos of the other members until they finally debuted in May 2011. Since then the boys have gained a large fanbase and became one of the top debuting rookies of 2011. Each of the members have made appearances through being backup dancers and in MV‘s of label mates SISTAR and K.Will.