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...
and that's where the story is 
going so far in this episode!
!وهذا هو مسار القصّة في هذه الحلقة حتّى الآن
Und bisher geht die Handlung
doch genau in diese Richtung!
y ahí debía ir la historia en este.
y por ahí van los tiros en este.
e in questo episodio la storia va in quella direzione!
e é o que dão a entender
as cenas antes da abertura!
и сюжет идёт именно в этом направлении!