AFTER SCHOOL, 애프터스쿨 (AFTER SCHOOL), アフタースクール (AFTER SCHOOL), A.S. BLUE, AFTER SCHOOL BLUE, 애프터 스쿨 푸른 (A.S. BLUE), 애프터 스쿨 푸른 (AFTER SCHOOL BLUE), Jooyeon, Raina, Park Sooah, E-Young