Byulha

On March 24, 2015, she made her official debut as a member of BaBa with their debut digital single, "Sergeant Kim's Return from Vietnam" under the stage name Seoae. However, in the following month she changed her stage name to Byulha following the departure of Byulha (Eunseo). She left the group due to health reasons in March 2016 while holding promotions for BaBa's first comeback single "Catch Me".