Itsuki finds out that in addition to Stardust Labyrinths where the "Impurity Lords" dwell, there is also the 13th labyrinth, as well as the existence of the 13th maiden. He sets out to find the maiden. However, there is the possibility that the 13th is a male. Although not quite convinced, he seeks all the male candidates he could think of...
I knew about this from the start.
.عرفت بهذا من البداية
Mir war das von Anfang an klar.
Yo lo sabía desde el principio.
Yo lo sabía desde el principio.
Je le savais depuis le début.
Io ero al corrente di tutto sin dall'inizio.
Eu sabia disso desde o começo.
Я знал обо всём с самого начала.