Otona ni Natte mo Daijoubu5,386 Views SingerSEKAICeVIO AIProducerFuyu××ProducerViews BreakdownYouTube3.2K ViewsNiconico2.2K ViewsDaily Views011/011011/021211/03211/04011/05111/06011/07VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB