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...
Not only that, you have the 
duty of saving Granvania.
.ليس ذلك فحسب، على عاتقك واجب إنقاذ غرانفانيا
Du hast nicht nur die Pflicht zu bürden,
Granvania zu retten. Ich verstehe ganz genau,
Y no solo eso.
Tienes el deber de salvar Granvania.
Y encima tienes el deber
de salvar Granvania.
Et devoir de surcroît
sauver le pays…
Ma non solo... Hai anche il compito di salvare Granvania.
Além de tudo, tem o dever
de salvar Granvania.
Помимо этого ты ещё должен 
спасти Гранванию.