Man's Fantasy World

It tells the story of a young man who, after traveling through time, lives happily in a world where the ratio of men to women is 1:1000. After traveling through time, the boy discovered that in addition to a beautiful biological mother, there was also an aunt with a different temperament and a sister with whom he was related. Since the death of my father, it has been stipulated in this world that everything in the family can be inherited. How should our teenagers explore and conquer? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.