In February 2011, after a month of searching for an entertainment agency, he decided to join A Cube Entertainment, a sub-label of Cube Entertainment despite of the other few offers that he received.
Pada Februari 2011, setelah mencari agensi hiburan, ia memutuskan untuk bergabung dalam A-Cube Entertainment, sub-label dari Cube Entertainment meskipun banyak penawaran lain yang ia terima.