The Window of OrpheusThe Window of Orpheus.

The Window of Orpheus (オルフェウスの窓, Orufeusu no Mado), also known as Orpheus no Mado or Das Fenster von Orpheus, is a Japanese shōjo manga and historical romance series written and illustrated by Riyoko Ikeda. The Manga was partially adapted into Takarazuka Revue musical entitled The Window of Orpheus - Story of Isaak, however this does not include the story in its entirety. The manga series was published by Shueisha, first in weekly Margaret from 1975 to 1976, then in monthly Seventeen from 1977 to 1981.