A.KOR (에이코어) was a three-member girl group under Doo Republic. They first debuted on July 25, 2014 as a trio unit with the single "Payday" and before making their official debut with five-members on September 5, 2014 with the single "But Go."
In June 2015, they debuted its first sub-unit A.KOR Black consisting of members Min Ju and Kemy.
They presumably disbanded in 2017 due to inactivity.
|Ji Young (지영)||Leader, Main vocals||Jul. 2014–2017|
|Min Ju (민주)||Rap||Jul. 2014–2017|
|Kemy (케미)||Main rap||Jul. 2014–2017|
|Da Ya (다야)||Lead vocals||Sept. 2014–2016|
|Tae Hee (태희)||Vocals||Sept. 2014–2016|