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.
I agree to having the 
Ultimate Love Ritual together.
.وأقبل بخوض طقوس حبّ مُطلقة معها
Ich bin einverstanden, das Nonplusultra-
Liebesritual im Doppel abzuhalten!
Accedo a tener
el Mayor Ritual de Amor juntos.
Accedo a pasar por
el Mayor Ritual de Amor juntos.
Je suis d’accord pour partager
l’ultime rituel de l’amour.
Acconsento a eseguire
il Rito d'Amore Definitivo insieme a lei.
Concordo em ter um Ritual
Definitivo dos Amantes junto dela.
И я согласна провести Совершенный 
Любовный ритуал вместе с Суэ.