What's Up With This Retro Boom!? 101,835 Views SingerHaruno SoraSynthesizer VProducermustie=DCProducerViews BreakdownYouTube56K ViewsNiconico44K Viewsbilibili2.4K ViewsDaily Views393/31314/01514/02444/03534/04444/05404/06VideorefreshRefresh Song DataListenYouTubeNiconicobilibiliVocaDB