Kyubi Ghost Spirit Group Mystery ~Introduction & Development~750,767 Views SingersHatsune MikuVocaloidYuki KajiOther VocalistKimura RyoheiOther VocalistHaruka TomatsuOther VocalistKobayashi YuOther VocalistFujiwara KeijiOther VocalistProducerTeniwohaProducerViews BreakdownYouTube492K ViewsNiconico259K ViewsDaily Views5311/02711/0312111/041411/055911/067811/075811/08VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB