There Seems to Be a Hidden Command to Being Happy13,934,630 Views SingersYuzuki YukariVocaloidYuzuki Yukari (VOICEROID)Other Voice SynthesizerProducerUtataPProducerViews BreakdownYouTube11M ViewsNiconico2.7M ViewsYouTube551K ViewsDaily Views2.1K3/291.9K3/302K3/311.8K4/012.1K4/022.2K4/032.2K4/04VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
