Undercover.129,068 Views SingersHatsune MikuVocaloidGekiyakuUTAUProducerAbarayaProducerViews BreakdownYouTube102K ViewsNiconico27K ViewsDaily Views5173/315854/014844/024604/035124/045524/054824/06VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB