Happy Synthesizer1,799,604 Views SingersV3 GUMI (English)VocaloidMegurine Luka V4X English (Straight)VocaloidProducerCircusPProducerViews BreakdownYouTube1.5M ViewsNiconico266K ViewsDaily Views09/2909/302210/0177810/0219410/0317610/0418410/05VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB