A musical battle between 6 trending girl group acts, in order to "determine the real number one" when all 6 release their songs at the same time.
Taeyeon
Lee Yong-jin
Hyolyn
Min Young
Yu Jeong
Score: 8.5
Score: 0.0
Score: 5.1
Score: 0.0
Score: 0.0
Score: 0.0
Score: 0.0
Score: 0.0
