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 know how you feel, but for the 
peace and future of Granvania...
...أعي كيف تشعر، لكن من أجل سلام ومستقبل غرانفانيا
Ich kann mir vorstellen, wie du dich fühlst, aber denke
mal an den Frieden und die Zukunft von Granvania!
Sé cómo te sientes,
pero por la paz y futuro de Granvania…
Sé cómo te sientes,
pero por la paz y futuro de Granvania…
C’est important aussi,
mais pour la paix et l’avenir de pays…
Capisco ciò che provi,
ma è per il futuro e per la pace di Granvania.
É importante o que você sente, mas
pela paz e pelo futuro de Granvania...
Понимаю, что ты чувствуешь, 
но ради мира и будущего Гранвании...