Happy Coaster491,344 Views SingerHatsune MikuVocaloidProduceremonProducerViews BreakdownYouTube428K ViewsYouTube32K ViewsNiconico31K ViewsDaily Views8011/176811/188311/196211/207411/218311/227511/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB