In order to defeat Impurities that turned out to be far stronger than expected, Itsuki is pressured to perform a "Double Love Ritual" with two maidens at the same time. It is said to produce powerful Star Children, but it has never been performed before. Itsuki steps into uncharted territory, following the lead of onee-san maidens Reone and Falun.
to promiscuously bond with the 
maidens of the 12 constellations
على الارتباط الإباحيّ مع عذراوات الأبراج الاثني عشر
capaz del lazo promiscuo
con las 12 doncellas eres tú.
que puede ser un promiscuo
con las doncellas eres tú.
tu es le seul à pouvoir t’unir
aux 12 Prêtresses du zodiaque !
de promiscuamente ter laços
com as 12 sacerdotisas
беспорядочно формировать связи 
с девами —