There Seems to Be a Hidden Command to Being Happy14,151,076 Views SingersYuzuki YukariVocaloidYuzuki Yukari (VOICEROID)Other Voice SynthesizerProducerUtataPProducerViews BreakdownYouTube11M ViewsNiconico2.8M ViewsYouTube570K ViewsDaily Views2.8M7/142.2K7/152.2K7/162.1K7/172K7/182K7/192.2K7/20VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
