"What if there are giants and dwarfs in the world, and men can be pregnant?" The main character of the story Kuichi-kun, after another masturbation session, suddenly finds himself in another world. It is a land of giants and is dominated by a race of giants and giants. The first prince of the country, Caius, immediately turns his attention to the young world traveler. He turns to Kuichi-kun with the words, "I want you to be my bride and bear me a child!"