Comedian Kim Sook expressed she was shocked by the dance abilities of her fellow Unnies members, Minzy and Jeon So Mi.

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On the November 18th episode of 'Song Eun Yi and Kim Sook Unnies' Radio', Kim Sook asked guests Seventeen, "When I was promoting with Unnies, I was shocked to see Jeon So Mi and Minzy would memorize choreography on the spot. Is Seventeen like that too?"

The boys of Seventeen responded, "We're always dancing, so we usually memorize choreography on the day of. The next day, we check the small details. There are cases where we've memorized it after waking up."

Kim Sook joked, "If I can't memorize it the day before, then I can't. I couldn't pull it off on stage either."

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