The group's name was later changed to Fromis 9 following the final episode of Fromis's Room on November 23, with the "9" meaning the nine students who graduated from Idol School.
Nama grup ini kemudian diganti menjadi Fromis 9 mengikuti episode terakhir dari Fromis's Room pada 23 November, dengan "9" berarti sembilan siswa yang telah lulus dari Idol School.