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...
The more you try to cool your head,
 the more your body heats up.
.كلّما حاولت تهدئة عقلك، زادت إثارة جسدك
Je mehr du versuchst, deinen Kopf abzukühlen,
desto heißer wird dein Körper.
Entre más trates de enfriarte,
más se calienta tu cuerpo.
Cuanto más fría mantengas la mente,
más se calienta tu cuerpo.
Plus tu essaies
de garder la tête froide,
Più provi a raffreddare i bollenti spiriti,
più questo si scalda!
Quanto mais tenta esfriar a cabeça,
mais o corpo esquenta.
Чем больше пытаешься охладить пыл, 
тем сильнее распаляешься.