ロストブルー50,508 Views SingerGUMIVocaloidProducerichicaProducerViews BreakdownYouTube41K ViewsNiconico9.7K ViewsDaily Views312/17012/1810412/19112/20012/21112/22112/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB