What should I do?45,853 Views SingerNatsuki KarinSynthesizer VProducerChikarutofProducerViews BreakdownNiconico20K ViewsYouTube16K ViewsYouTube10K ViewsDaily Views-46K10/1446K10/151310/161110/17710/181010/191810/20VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
