Oh Jong-Hyuk signed an exclusive contract with DSP Media, which he was signed with when he was a member of Click-B.

DSP Media announced, "Oh Jong-Hyuk signed an exclusive contract with DSP in late March. Therefore Oh Jong-Hyuk, who made his debut as a member of idol group Click-B in 1999 and left DSP after the contract ended in 2003, returned to his old agency DSP after about ten years."

After the musical 'Audition' in 2011, Oh Jong-Hyuk enlisted with the Marine Corps. After being discharged from the military, he realized he needed a good agency that is reliable and provides him systematic management, so he decided to sign the contract with DSP once again.

Oh Jong-Hyuk said, "After my release, I thought a lot because I needed a good management partner for my new phase of promotions. DSP is like my home and I still had a good feelings toward it. Looking at its recent activities, I found out the company could provide systematic management to me as a singer and an actor. I'm so happy to work again with the company."

Oh Jong-Hyuk was cast for 'Those Days', a musical with songs inspired by works of legendary Korean folk singer Kim Kwang-Seok.

Meanwhile, DSP Media is home to popular idol groups including KARA, and Rainbow.