Worrisome (VIP Arrange! | Year-End Party ver.)166,676 Views SingerKagamine Len Append (Power)VocaloidProducerDasuProducerViews BreakdownYouTube167K ViewsDaily Views011/01011/02011/03011/04011/05011/06011/07VideorefreshRefresh Song DataListenYouTubeVocaDB