[1] The cast members formed a special girl group named "Unnies" (Korean: 언니쓰; RR: Eonnisseu) and released a Park Jin-young-produced single titled "Shut Up", featuring You Hee-yeol, in July 2016.

The show followed seven members, Kang Ye-won, Han Chae-young, Hong Jin-young, Minzy and Jeon Somi, with Kim Sook and Hong Jin-kyung returning, as they formed the second generation of "Unnies", produced by Kim Hyeong-seok (Park Jin-young's mentor).

[4] The fan club name for the group remains as "Dongsaengs" (i.e. younger siblings) and their official greeting, as suggested by Heo Kyung-hwan, is "Shoot!

The official statement reads: "As a result of the discussion, we have the final decision for Tiffany to leave the show, in consideration of what we agree to be the effect that the controversy had on the country's sentiments.

"[16] However, in December 2016, Tiffany reunited with the other cast members at the 15th KBS Entertainment Awards, where they opened the ceremony by performing "Shut Up".