I don't want to have children

This world is very strange. There are no women. Men are divided into men and brothers. The men are taller and stronger, while the brothers are relatively thin and weak. The brighter the color of the mole, the stronger the fertility. After marrying and giving birth to a child, should you change your name?A modern orphan's leisurely rural life after traveling to such a world, except for marrying a man, everything is quite beautiful... Protagonist: Wang Xiaomao, Li Xuejun Supporting roles: Wu Suer, Wang Er, eldest brother, younger brother Others: have children , farming