「Ib」-forever-1,923,290 Views SingersHatsune MikuVocaloidKamui GakupoVocaloidMAYUVocaloidProducerKouProducerViews BreakdownYouTube1.3M ViewsNiconico557K ViewsYouTube21K ViewsDaily Views55412/172812/181512/191312/2076112/2126212/2244812/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB