The April 13 installment of KBS 2TV's 'Happy Together 3' welcomed Dongjun to the show where he talked about his fellow ZE:A member Kwanghee who is currently serving in the army.

Dongjun successfully transitioned into being an actor like his fellow members Hyungsik and Siwan.  

Park Myung Soo asked, "How did Kwanghee respond?" to their acting success. Dongjun replied, "Kwanghee hyung usually says that he's jealous on variety shows but he's actually really proud of us."

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Hearing this, Yoo Jae Suk commented, "It's funny because Kwanghee sounded like he was jealous when he talked about it with us."  The MCs then exclaimed, "Was he lying to us?" With that, they said they won't know the truth until he gets discharged from the military.