The video shows leader JB interviewing the members and J.Y. Park in the waiting room. JB asks various questions such as, "Who do you think will do best on 'Knowing Brothers'?", "Who looks the best with school uniform?", and more.  

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Next, JB interviewed his boss J.Y. Park. When asked to name the member he thinks will do the best on the show, J.Y. Park chose Jackson. For the member causing the most concern, he named JB and explained JB tends to be too serious all the time. 

J.Y. Park also brought laughter as he introduced himself as an idol, or the 8th member of GOT7.

The full episode of 'Knowing Brothers' with the JYP artists will be airing this Saturday on March 10.