monochrome Reversi3,010,922 Views SingersHatsune MikuVocaloidv flowerVocaloidProducerXitooProducerViews BreakdownYouTube2.6M ViewsNiconico402K ViewsDaily Views09/294.3K9/3086510/011.5K10/0261610/031.1K10/041.1K10/05VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB