Goodbye Declaration15,435 Views SingersGUMIVocaloidIAVocaloidMegurine Luka V4X (Unknown)VocaloidKaai Yuki V4VocaloidKagamine Rin V4X (Power)VocaloidOtomachi Una SpicyVocaloidHatsune Miku V4X (Dark)VocaloidHatsune Miku V4X (Original)VocaloidHatsune Miku V4X (Sweet)VocaloidKAFUCeVIO AITsukuyomi-chanUTAUSEKAICeVIO AIProducersTakkyuu ShounenProducerToreroProducerappyProducerLonePiProducerFtyProducerMaryProducerMinami no MinamiProducerrukakuProducernogiProducerYoshida YasseiProducerJoukyouProducerMozukuPProducerShuProducerSouten no Lapis LazuliProducerAishiteProducerViews BreakdownNiconico11K ViewsYouTube4.1K ViewsDaily Views411/01611/02511/03611/04411/05211/06511/07VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB