Conception Temporada 1 Episódio 1

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...