Qri

Following the departures of Jiae and Jiwon from the group's pre-debut lineup, Qri was added to T-ARA's final lineup. The group officially debuted on July 28, 2009 with their first single "Lie". Under the group's rotating leadership system, Qri obtained the position on July 13, 2013.

On June 26, 2013, she debuted as a member of the group's sub unit T-ARA QBS with the single "Like A Wind". She made her solo debut with the digital single "Suri Suri" on September 26, 2021.