Letter to the Black World5,473,915 Views SingerKasane TetoUTAUProducerFrog96ProducerViews BreakdownYouTube4.6M ViewsNiconico834K ViewsDaily Views6.5K6/306.7K7/015.9K7/026.2K7/036.9K7/045.5K7/055.6K7/06VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB