There Seems to Be a Hidden Command to Being Happy14,442,002 Views SingersYuzuki YukariVocaloidYuzuki Yukari (VOICEROID)Other Voice SynthesizerProducerUtataPProducerViews BreakdownYouTube11M ViewsNiconico2.8M ViewsYouTube590K ViewsDaily Views2.2K11/292.3K11/302.2K12/011.9K12/022K12/032K12/041.8K12/05VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
