Four members of JYP's then-unnamed new boy group—Kyehoon, Amaru, Keiju, and Donghyeon—were selected through the SBS reality competition show Loud (2021).

[4] The remaining members of the group were revealed on the same day, alongside the album's promotion schedule.

[8][9][10] On January 15, the track listing was released, with "Mama Said" announced as the EP's lead single.

Several members of KickFlip assisted in the writing of the tracks: Amaru for "Mama Said", "Umm Great", along with Donghwa, and "Like a Monster", along with Kyehoon and Minje.

[12] The third track, "Warrior", was written by labelmate and Day6 member Young K.[13] To commemorate their debut with the release of Flip It, Kick It!, KickFlip held a pop-up store in JYP Entertainment's office building from January 25 to February 2, which included the sale of merchandise such as tote bags, T-shirts, caps, and posters.