Happy Days5,768,530 Views SingerMAIKAVocaloidProducerGHOSTProducerViews BreakdownYouTube5.8M ViewsDaily Views-5.8M4/205.8M4/211.4K4/229794/231.2K4/241.1K4/251.1K4/26VideorefreshRefresh Song DataListenYouTubeVocaDB