Worrisome (VIP Arrange! | Year-End Party ver.)166,676 Views SingerKagamine Len Append (Power)VocaloidProducerDasuProducerViews BreakdownYouTube167K ViewsDaily Views011/16011/17011/18011/19011/20011/21011/22VideorefreshRefresh Song DataListenYouTubeVocaDB