I know U92,787 Views SingerIA English C (Unknown)CeVIO AIProducerYukito and MimikaProducerViews BreakdownYouTube92K ViewsNiconico1.1K ViewsDaily Views09/2909/30110/01010/02010/03110/04010/05VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB