Unlike most previous seasons, this time the members played workers in a music company's marketing department, where they each took on a role: Jihyo as a Department employee. of Contents, Sana as an employee of the Dept. of Marketing, Tzuyu as Manager of the Dept. of Contents, Dahyun as Assistant of the Dept. of Marketing, Mina as General Manager, Chaeyoung as Deputy Director of A&E , and Momo as an employee of the Dept. from A&R. The goal was to plan the debut of a new (fictional) singer, played by Jeongyeon ., who due to health problems, did not participate in person this season.

• Im Na-yeon
• Yoo Jeong-yeon
• Momo Hirai
• Sana Minatozaki
• Park Ji-hyo
• Mina Myoui
• Kim Da-hyun
• Son Chae-young