In the Star Alliance era, a young man made an emergency landing on Zhuxia Star in order to escape pursuit.
The climate, water, and soil here are exactly the same as those on Earth. The only trouble is that 30,000 years ago, the radiation from an asteroid impact destroyed the Y-gene in all mammals, except whales.
The male to female ratio is 1:16. As a man, all you need to do is eat, sleep, and have sex every day.
But is this really the case?
Main plot: the queen's palace fight.
The training history of a male alien.
Open the harem from the perspective of a big pig's trotters.
Feel the supreme "pain" of having three palaces and six courtyards.