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...
They say I'm the number one womanizer 
in the nation, a playboy,
،يقولون عنّي زير النّساء الأوّل في البلاد وشخص لعوب
Ich soll der größte Schürzenjäger
im gesamten Reich sein
Dicen que soy el mujeriego número uno
del país, un donjuán,
Dicen que soy el mujeriego número uno
del país, un donjuán,
Moi, le play-boy,
le garçon le plus populaire du pays,
Dicono che sia il dongiovanni
numero uno del Regno, che sia un playboy...
Como dizem que sou o maior
mulherengo da nação, um playboy,
Меня называют главным бабником 
и ловеласом в стране,