Happy Happy Happy2,029 Views SingerHatsune Miku NT (Unknown)Other Voice SynthesizerProducerAraki JakkanProducerViews BreakdownYouTube1.5K ViewsNiconico526 ViewsDaily Views012/17012/18212/19512/20212/21012/22112/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB