On the March 3 episode of 'Music Bank', Mark appeared as the special MC in replacement for Lee Seo Won. He and fellow MC LABOUM's Solbin took the time to interview TWICE who were a nominee for the winner of the week.�

During the interview, Mark stated, "The really lovely 'Knock Knock'; I want to learn it, too." Sana spoke up and demonstrated the cute "Knock Knock" move. Mark then followed and brought out his aegyo skills.�

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According to fans, Mark is known to be the type with no aegyo. In fact, that he finds it highly awkward and uncomfortable when asked to do show some aegyo. With this in mind, fans are proud of Mark for overcoming his hate for aegyo.

Comments on an online community stated, "It amazes me because Mark is the type with no aegyo lol He probably did it because it's on the script haha I like Mark who's always working hard", "He's so cute", "He seems really proud."

Have you checked out Mark's ''Knock Knock'' aegyo?