Happy Synthesizer17,344,290 Views SingersMegurine LukaVocaloidGUMIVocaloidProducerEasyPopProducerViews BreakdownYouTube9.2M ViewsNiconico7.7M ViewsYouTube398K ViewsDaily Views4.3K9/294.3K9/304.1K10/013.9K10/024K10/033.8K10/044K10/05VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB