Sister's Slam Dunk S02 E08 Episode 8

Verse 2 specialty, Kim Sook. Will she be able to sing in the first verse? The part division war begins! Who will take the part of "I feel like a fish in water?" Mr. Serious, Jang Jinyoung's dance is revealed! A meeting about the concept for the girl group outfit. What will the final concept for the Unnies?