Songhee

On June 15, 2011, she, initially known as Songhwi, made her debut as the maknae of the girl group Kassia with the release of their first and only digital single "Special Girl". The group was short-lived as they presumably disbanded the same year. On July 4, 2012, she made her debut as a member of FLASHE with the release of their first digital single "Drop It Pop It".

On July 24, 2014, it was announced that she would be leaving the group due to an injury.