Letter to the Black World6,734,616 Views SingerKasane TetoUTAUProducerFrog96ProducerViews BreakdownYouTube5.8M ViewsNiconico925K ViewsDaily Views6.8K12/177K12/187.2K12/197.2K12/2012K12/2113K12/2210K12/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB