MBC's 'Section TV' had an interview with Lee Joon about his acting in 'Rough Play'. During the interview, Lee Joon talked about how good he felt on ZE:A's Siwan choosing him as one of the actors to pay the most attention to in 2014.

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However, when the reporter teased, "Did the two of you promise to compliment each other?", he admitted immediately, "We planned about half of it."

He revealed, "We said to each other that we'd say good things about each other during interviews."