[DeepL Translation - needs review] Introduction to Volume 1: William, a brilliant and prestigious aristocrat, loses his fortune when his uncle's business fails. William discovers a magic circle in his basement that summons a demon, Dantalion, who says, "You can choose to be the acting king of the demon world. He tells him, "You are the Lord Selection who can choose a substitute king of the demon world," and demands that he himself be chosen as king. William, who hates unscientific things, re...
