Fromis_9 is a South Korean girl group formed by Pledis Entertainment through the reality show "Idol School" in 2017. The group originally debuted with nine members: Saerom, Hayoung, Jiwon, Nakyung, Seoyeon, Gyuri, Somin, Eunwoo, and Jiheon. They are known for their catchy songs and vibrant performances. The name Fromis_9 stands for "From Idol School" and the number 9 represents the nine members. The group has released several successful albums and singles, gaining popularity for their youthful concept and strong vocal abilities. They continue to be active in the K-pop scene.