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..."
I guess this is a case of "truth 
is stranger than fiction."
".أظنّ أنّ هذا أشبه بمقولة "الحقيقة أغرب من الخيال
Supongo que la verdad
es más rara que la ficción.
Supongo que la verdad
supera a la ficción.
Sembra proprio che la realtà superi la fantasia.
тот случай, когда 
«правда диковеннее вымысла».