Happy End Aquarium74,230 Views SingerYuzuki YukariVocaloidProducerMata Setsunai Sekai o IkiruProducerViews BreakdownNiconico49K ViewsYouTube25K ViewsDaily Views1911/191511/201611/214011/221211/232711/243511/25VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB