Ievan Polkka117,605 Views SingerKotonoha Akane & Aoi (Seiren Voice)Other Voice SynthesizerProducerTumuttiProducerViews BreakdownYouTube60K ViewsNiconico57K ViewsDaily Views611/01411/02111/03911/04011/05511/06311/07VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB