Happy Days5,745,996 Views SingerMAIKAVocaloidProducerGHOSTProducerViews BreakdownYouTube5.7M ViewsDaily Views1.1K3/311.2K4/011K4/021.1K4/031.1K4/041.1K4/051.1K4/06VideorefreshRefresh Song DataListenYouTubeVocaDB