On January 20, JYP Entertainment released a prologue film introducing their next girl group, ITZY. The group consists of five members: Yuna, Ryujin, Chaeryeong, Lia, and Yeji.
On January 24, JYPE revealed the group will debut with the single "IT'z Different". On February 11, a music video teaser for the single's title track, "Dalla Dalla", was released. The music video was released on February 11 and the single on the 12th. The group held their live premiere the same day as the single's release.
Official position information has not been released.