Optimism Liar1,479,724 Views SingerHatsune MikuVocaloidProducerMeddmiaProducerViews BreakdownYouTube1.3M ViewsNiconico165K ViewsDaily Views35411/0145511/0238511/0339011/0444511/0558011/0613911/07VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB