smart???792,643 Views SingersKagamine Rin V4X (Unknown)VocaloidKagamine Rin V4X (Power)VocaloidProducersmarasyProducerkemuProducerbibiCover ArtistViews BreakdownNiconico456K ViewsYouTube255K ViewsYouTube81K ViewsDaily Views67811/1679011/1788611/1899411/191.1K11/201.1K11/211K11/22VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB