堕落2,104 Views SingersHatsune MikuVocaloidMegurine LukaVocaloidKagamine LenVocaloidProducerEgi RiiseProducerViews BreakdownYouTube2K ViewsNiconico147 ViewsDaily Views011/17011/18011/19011/20011/21011/22011/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB