High school student Yuge Itsuki was sent off to a strange parallel world with his childhood friend Konatsuki Mahiru. It was the magical world of "Granvania", which was facing a crisis from the threats of "Impurities." Itsuki was summoned to this world as a "Visitor" to save this world, but to accomplish this mission, he had to perform a ritual known as the "Love Rituals..."
Did your body expel anything 
when that emblem surfaced?
هل طرد جسمك أيّ شيء
عندما ظهر عليك ذلك الشعار؟
Hast du, als dieses
Emblem erschienen ist,
¿Tu cuerpo expulsó algo
cuando ese emblema apareció?
¿Tu cuerpo expulsó algo
cuando ese emblema apareció?
Mahiru...
Quando essa marca apareceu,
não expeliu nada de seu corpo?
Когда появилось это клеймо, 
твоё тело что-нибудь исторгло?