ポラリスに届く手紙3,188 Views SingerSEKAICeVIO AIProducerNoaProducerViews BreakdownNiconico2.2K ViewsYouTube990 ViewsDaily Views111/17111/18011/19011/20111/21211/22011/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB