Opera! Space Opera!668,499 Views SingersHatsune MikuVocaloidKagamine RinVocaloidProducerNayutalieNProducerViews BreakdownYouTube668K ViewsDaily Views-663K4/20665K4/218244/226594/237444/246854/255874/26VideorefreshRefresh Song DataListenYouTubeVocaDB