Manga by author Yoshimura Tsumuji

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! So yes, imagine 8 of your favourite classical composers as handsome young men who are all around the same age, and all in the same country, at the same time, studying in the same class.

In this world, when human beings reach the age of 12, their bodies gradually change to the genders they wish to be. And by the time they are 14 years old, their appearances change to reflect their genders. But by spring of my eighteenth year, I am still without a gender...