Midsummer Letter Rainbow162,390 Views SingerHatsune MikuVocaloidProducersnanaProducerMOSAIC.TUNEOther GroupViews BreakdownNiconico92K ViewsYouTube71K ViewsDaily Views111/01111/02311/03211/04511/05211/06311/07VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB