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Year 7 Class 1
grup vokal wanita Korea Selatan / From Wikipedia, the free encyclopedia
Year 7 Class 1 (Hangul: 칠학년일반) adalah grup vokal wanita Korea Selatan yang dibentuk oleh DRB Entertainment di Seoul, Korea Selatan.[1] Grup ini debut pada 24 Januari 2014 dengan lagu "Oppa Virus".[2]