Happy Synthesizer17,722,650 Views SingersMegurine LukaVocaloidGUMIVocaloidProducerEasyPopProducerViews BreakdownYouTube9.5M ViewsNiconico7.8M ViewsYouTube458K ViewsDaily Views9491/172.9K1/183.5K1/192.4K1/203K1/213K1/223.1K1/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB