七学年一班 作品一覧 [1st single] 오빠 바이러스[2nd single] ALWAYS[3rd single] 이별파이팅[4th single] White Wind[5th single] ALWAYS 2015[1st mini] Believe[日本1st single] オッパウイルス[6th single] 나를 기억해주세요[7th single] With Spring[2nd mini] unknown