Released:

Overview:
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.

Director:
Lee Yun Kyu

Runtime:
NaNh NaNmin

Genre:
Reality

• Cast:
• 
  Taeyeon
  as
  Main Host
• 
  Lee Yong-jin
  as
  Self - Queen Manager
• 
  Hyolyn
  as
  Self - Contestant
• 
  Min Young
  as
  Self - Contestant
• 
  Yu Jeong
  as
  Self - Contestant