What should I do?40,171 Views SingerNatsuki KarinSynthesizer VProducerChikarutofProducerViews BreakdownNiconico18K ViewsYouTube12K ViewsYouTube9.4K ViewsDaily Views711/16111/17311/18711/1933411/202611/215711/22VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
