life is not easy404,228 Views SingerKaai YukiVocaloidProducerShikiura.ProducerViews BreakdownYouTube342K ViewsNiconico62K ViewsDaily Views09/301.4K10/014610/024510/0389010/0440910/0588510/06VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB