Worrisome (VIP Arrange! | Year-End Party ver.)181,076 Views SingerKagamine Len Append (Power)VocaloidProducerDasuProducerViews BreakdownYouTube181K ViewsDaily Views180K4/211744/221034/231574/241164/251024/261794/27VideorefreshRefresh Song DataListenYouTubeVocaDB