G-Friend's Yuju talked about filming the MV for "Rough" and appearing before on 'Mask King' on MBC radio FM4U's 'Park Kyung Lim's 2 O'Clock Date' on February 2.  

Regarding the reason she shed tears while filming the MV, Yuju relayed, "Since I was actually graduating [from school], I think I got choked up."  The MV centers on a group of friends reuniting years after high school.  She added, "I will definitely go to my graduation ceremony."

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On top of that, she had previously appeared on 'Mask King' and amused everybody with how she quickly spoke on the show like she had rehearsed everything, leading to a very robotic sound.  Regarding this, she was asked, "Did you speak what you memorized?" and she replied, "Sometimes.  Seeing as how 'Mask King' was a hot variety program, the manager disciplined me.  He picked the things I would have to say no matter what at the time, but I was so nervous that I think I came off like a robot."