Chiayi, Chaelin, Rayeon, and Doah participated in this comeback while Via, Sika, Yoonhye, and Doi were not involved.

Later that year, Chiayi, Rayeon and Doah took part in the Mnet survival show Girls Planet 999, which aired from August 6 to October 22, 2021.

[8] In 2022, Chaelin left FENT and Fanatics, in 2024 she made her solo debut independently with the song, "Let It Snow."

On November 24, 2022, Chiayi and Doi were interviewed by Oninews - X Super Idol in Taiwan, where the girls revealed that FANATICS hasn't disbanded and that all members are preparing for a comeback as soon as they wrap their current individual activities.

[10] Rayeon left the company and the group, and became a model under Leaders Entertainment with her real name, Nayeon.