Saito is a high school student who was suddenly summoned to the parallel world of Halkeginia one day. Searching for a way to return to his home world, he liv...

The parallel world of Halkeginia, to which Saito was suddenly summoned one day. In the war with Albion, in which the boy participates as a familiar along wit...

Saito is a high school student who was suddenly summoned to a parallel world one day as a familiar. In the war with Albion, in which his sweet sorceress owne...

—Who are you? — when Hiraga Saito woke up, a beautiful girl was peering into his face. When he looked around, he discovered that he was in a completely unkno...

"The Wind of Albion" is the second part of the "Nulizin Familiar" series. Saito, who was summoned as a familiar to the parallel world of Halkeginia, is still...

"The Founder's Prayer Book" is the third part of the "Nulizin Familiar" series. Saito, who was summoned as a familiar to the parallel world of Halkeginia, is...