There Seems to Be a Hidden Command to Being Happy13,848,372 Views SingersYuzuki YukariVocaloidYuzuki Yukari (VOICEROID)Other Voice SynthesizerProducerUtataPProducerViews BreakdownYouTube11M ViewsNiconico2.7M ViewsYouTube544K ViewsDaily Views1.8K2/171.8K2/182.2K2/192K2/202.1K2/212.4K2/222.4K2/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
