There Seems to Be a Hidden Command to Being Happy14,689,233 Views SingersYuzuki YukariVocaloidYuzuki Yukari (VOICEROID)Other Voice SynthesizerProducerUtataPProducerViews BreakdownYouTube11M ViewsNiconico2.8M ViewsYouTube610K ViewsDaily Views04/1904/2004/2104/2204/2304/2415M4/25VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
