On My Seventh Birthday3,907,711 Views SingersHatsune MikuVocaloidGUMIVocaloidProducerMasaProducerViews BreakdownYouTube3.8M ViewsNiconico133K ViewsDaily Views1.1K4/031.1K4/041.1K4/051.3K4/061.3K4/071.1K4/081.1K4/09VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
