There Seems to Be a Hidden Command to Being Happy13,723,066 Views SingersYuzuki YukariVocaloidYuzuki Yukari (VOICEROID)Other Voice SynthesizerProducerUtataPProducerViews BreakdownYouTube10M ViewsNiconico2.7M ViewsYouTube533K ViewsDaily Views2.8K12/171.9K12/183.6K12/1944812/202.4K12/212.2K12/222.6K12/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
