Happy End Aquarium73,954 Views SingerYuzuki YukariVocaloidProducerMata Setsunai Sekai o IkiruProducerViews BreakdownNiconico49K ViewsYouTube25K ViewsDaily Views3311/012611/021511/031411/041411/054811/061111/07VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB