I Wonder if You'll Say You're Sorry1,317,060 Views SingerV4 Kamui Gakupo (Unknown)VocaloidProducerKalfina-PCover ArtistViews BreakdownYouTube1.3M ViewsDaily Views999/03-1.3M9/041.3M9/05949/06699/07799/08609/09VideorefreshRefresh Song DataListenYouTubeVocaDB