About the book: year / There is a world where an endless war rages between two empires on the continent, where magicians fight necromancers, dread knights fight paladins , a furious church burns out heresy with a hot iron, and unprecedented blade masters travel around the world. But one day, a young alien from modern Japan comes to this world, who is destined to turn the entire universe upside down, turn all forces into dust and make a real revolution...... and his path lies through survival in a terrible black castle, where necromancers, dark magicians and black knights are trained. And before he rises, he must fall to the very bottom and lose his humanity.