Norun is a 40-year-old virgin whose greatest hobby is admiring pretty girls from afar. On this particular day, as he reaches climax for the twelfth time alone, he suddenly blacks out, and his heart stops. When he opens his eyes again, he suddenly finds himself face to face with a pretty girl with pink hair, who is overjoyed that he is okay. Her name is Misha, they have been practically married for ten days, and it seems that he has been reborn as a boy in a new world. What’s more, this world is like the Earth in the Middle Ages, with the difference that everyone has animal-like characteristics, such as cat ears or a tail. Women do most of the work here, age much more slowly, and there are far fewer men than women, which makes them extremely desirable and polygamy the norm. It seems that all his dreams are suddenly coming true …