○Nazo Game×4,107 Views SingersKagamine Rin Append (Unknown)VocaloidKagamine Len Append (Unknown)VocaloidProducersHikkiePProducerYamikaProducerHIDAKAProducerViews BreakdownNiconico4.1K ViewsDaily Views14/2204/2304/2404/2504/2604/2704/28refreshRefresh Song DataListenNiconicoVocaDB