Effective period / Period of releases: 2018 - 2024

Members: Song Ha Yeong, Baek Ji Heon, Jang Gyu Ri, Lee Na Gyeong, Lee Sae Rom, Park Ji Won, Lee Chae Yeong, Roh Ji Sun, Lee Seo Yeon

Fromis 9 (Hangul: 프로미스나인 or 프로미스 9; initialism for From Idol School; stylized as fromis_9) is a South Korean girl group formed by CJ E&M through the 2017 reality show Idol School. The group's name, pronounced as "promise" in Korean, also means "to keep their promise [to viewers] to be the best girl group". The group composed of nine members: Roh Ji-sun, Song Ha-young, Lee Sae-rom, Lee Chae-young, Lee Na-gyung, Park Ji-won, Lee Seo-yeon, Baek Ji-heon and Jang Gyu-ri.