Kyubi Ghost Spirit Group Mystery ~Introduction & Development~751,652 Views SingersHatsune MikuVocaloidYuki KajiOther VocalistKimura RyoheiOther VocalistHaruka TomatsuOther VocalistKobayashi YuOther VocalistFujiwara KeijiOther VocalistProducerTeniwohaProducerViews BreakdownYouTube493K ViewsNiconico259K ViewsDaily Views12011/16311/17811/1814011/19011/207511/215811/22VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB