Future Beast World: Pampered by beautiful women, many children and good fortune

Ten thousand years after Sang Luo accidentally fell, pure humans had long since become extinct, and genetically evolved orcs dominated the world. They were brave and good at fighting, possessing a nearly perfect strong physique and extraordinary combat power. The only drawback was that females were scarce.
When male orcs reach adulthood, they will go into estrus and become manic and crazy without the comfort of females. When the only pure human girl with SSS-level guiding ability comes to the future beast world, the whole continent goes crazy.
When they learned that she was born with a fertile physique and could give birth to top-quality pure-blooded offspring for the extinct king beast, the bigwigs from all sides rushed to flatter her, just to be able to win the beauty's favor and have babies with her...
[Sweet pet + strategy + childbearing + heroine growth system]
ps: The introduction is incompetent, please read the main text