A school in Regensburg. Historical buildings in Regensburg are elegant. This place resembles the School of Music in "The Window of Orpheus".
Issac and Klaus both met Julius and sealed their fate at the Window
of Orpheus. According to the legend of the magical tower window, the boy
and the girl he sees are destined to become lovers, yet under the curse
of the same window, tragedy awaits the star-crossed lovers.