After being accepted by the Melite Conservatory of Music, Taki Ren, travels all the way to the City of Music, Vienna, to fulfill her dream of becoming a composer. However, there's one problem: Melite is an all-boy's school! Her classmates are all musical geniuses, but they also come with problems!

Identitas Rentaro sebagai wanita akhirnya ketahuan!!! Akankah kehidupan sekolahnya di Melite berakhir? Lalu, sebenarnya siapa orang yang telah mengetahui identitas asli Ren?