Esper Esper2,255,615 Views SingerHatsune MikuVocaloidProducerNayutalieNProducerViews BreakdownYouTube2M ViewsNiconico224K ViewsDaily Views2.5K11/193K11/202.9K11/212.9K11/222.9K11/233K11/243.1K11/25VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB