Fromis_9
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Fromis_9 ( 프로미스나인 ) is a South Korean girl group formed by CJ E&M through the reality show Idol School on Mnet in 2017. The group is managed by Pledis entertainment. The group consists of 9 members: Lee Saerom, Song Hayoung, Jang Gyuri, Park Jiwon, Roh Jisun, Lee Seoyeon, Lee Chaeyoung, Lee Nagyung, Baek Jiheon.
The group officially debuted on January 24, 2018, under Stone Music Entertainment with the release of the mini album To. Hearts. In September 2018, it was confirmed that fromis_9 would be managed by Off The Record Entertainment, a new label founded by Stone Music. In August 2021, after a change in organizational structure by Off The Record Entertainment, fromis_9 officially changed labels and management under Pledis Entertainment.
The group name fromis_ is a suggestion from netizens via Idol School's official website and chosen by CJ E&M, described as "From Idol School" and "Promise" in Korean pronunciation, also has the meaning "to keep the promise [to the audience] to become a girl group best". Through the announcement of their social media account from their agency, the group chose to add the number 9 in their name to fromis_9