けやき坂46 SHOWROOM 井口眞緒 2018/08/12 2018/8/13 SHOWROOM(欅坂)けやき坂46 SHOWROOM 井口眞緒 2018/08/12[YouTube] [bilibili] [bilibili] 出演：けやき坂46(井口眞緒/宮田愛萌/東村芽依)
