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 am thankful, from bottom of my heart.
.أنا شاكر لك من صميم قلبي
Ich danke dir von tiefstem Herzen.
Te lo agradezco con todo el corazón.
Te lo agradezco con todo el corazón.
Je te remercie, du fond du cœur.
Ti sono grato.
Tem minha gratidão,
do fundo do meu coração.
Но я благодарю тебя от всей души.