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.
Don't worry. I'm a researcher.
.لا تقلق، أنا باحثة
Keine Sorge. Ich bin eine Forscherin.
No te preocupes, soy una investigadora.
No te preocupes, lo mío es la ciencia.
Tout va bien,
je suis une scientifique.
Tranquillo, non preoccuparti.
Io sono una ricercatrice.
Não se preocupe,
sou uma pesquisadora.
Но ни о чём не волнуйся, 
я же изучаю магию.