Opera! Space Opera!453,695 Views SingersHatsune MikuVocaloidKagamine RinVocaloidProducerNayutalieNProducerViews BreakdownYouTube454K ViewsDaily Views2.3K9/302.1K10/011.8K10/021.9K10/031.8K10/042K10/052.2K10/06VideorefreshRefresh Song DataListenYouTubeVocaDB