Mana, the protector fairy for Visitor Itsuki, plans the "Ultimate Love Ritual" to encourage maidens who have yet to perform "Love Rituals." It is supposedly an ultimate heavenly experience, but only a single maiden who managed to catch Itsuki's heart can be his partner.
There were 12 labyrinths and 12 maidens.
.كانت هنالك اثنتا عشرة متاهة واثنتا عشرة عذراء
Es gab zwölf Dungeons
und zwölf Priesterinnen.
Había 12 laberintos y 12 doncellas.
Había 12 laberintos y 12 doncellas.
Il y a douze niveaux
pour douze Prêtresses,
C'erano 12 Labirinti e 12 Sacerdotesse.
Havia 12 labirintos para
12 sacerdotisas.
Двенадцать уровней лабиринта, 
двенадцать дев созвездий.