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..."
And the past Visitors have 
called this world one of magic!
!ودعى الضّيوف السّابقون هذا العالم بعالم السّحر
Alle Seelenwanderer, die bisher hergekommen sind,
bezeichnen unsere Welt als Zauberwelt.
Los Visitantes del pasado llamaron
a este mundo como uno de magia.
Los Visitantes del pasado consideraron
a este mundo como uno de magia.
Les Visiteurs venus jusqu’à présent
I precedenti Pellegrini che sono giunti qui,
l'hanno definito un mondo magico!
Os Seres Divinos que vieram até agora
chamaram este mundo de mundo mágico!
Наши предыдущие Посетители назвали
Гранванию волшебной страной!