Kyubi Ghost Spirit Group Mystery ~Introduction & Development~753,938 Views SingersHatsune MikuVocaloidYuki KajiOther VocalistKimura RyoheiOther VocalistHaruka TomatsuOther VocalistKobayashi YuOther VocalistFujiwara KeijiOther VocalistProducerTeniwohaProducerViews BreakdownYouTube495K ViewsNiconico259K ViewsDaily Views012/1918212/203312/215712/227412/231212/249212/25VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB