Call Me Back4,279 Views SingerHibiki KotoVocaloidProducerSILiA ProductionProducerViews BreakdownYouTube4K ViewsNiconico268 ViewsDaily Views39/2999/30510/013110/02010/03110/04210/05VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB