After School's Ka Eun supports Raina at Music Core

After School's Ka Eun appears at the backstage of Music Core to support member Raina.

Raina updated her Twitter with the photos above. She thanked Ka Eun for sending her the love on Music Core and mentioned that she enjoyed her performance yesterday.

Raina is currently promoting 'Midsummer Sweetness" with San E, check out their performance below: