Sori

In November 2014, Sori became a contestant of the fourth season of the reality show "K-pop Star" as Kim Chan-mi. Unfortunately, she was eliminated in the show's 6th episode. Then, in November 2015, she returned for the fifth season as a contestant.

On June 26, 2021, Sori was revealed as a member of the upcoming girl group, Beauty Box, under BY-U Entertainment. Sori remained a 'secret member' from June to August 29 when she was officially revealed. She made her debut with the girl group on September 23, 2021 with the single album "Beyond of BB".