On the recent episode, Yoon Do Hyun and N revealed that they'd worked together in a musical before. Yoon Do Hyun said, "He was a good kid during the musical."
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N also explained, "I performed in a musical before I debuted, and Yoon Do Hyun sunbaenim was playing the male lead at the time." Yoon Do Hyun then complimented N, and said, "I remember him telling me that he dreamed of being an idol singer, and then he really appeared again as an idol. It's very cool."