My Servant Is An Elf Knight From Another World - Chapter 1

The doomsday fell upon the earth when a dragon coffin sealed under a snow mountain for ages shifted, and the civilization of gods and devils began. The whole universe turned into a fantastic new world where everyone could rise to the top through cultivation. A lucky young boy seized the opportunity, and started his journey to be an overlord in cultivation.

- Description from Novelupdates

Yao Tang, the daughter of the Yao family who mistakenly exchanged at birth, was finally found.

Ten thousand years after Carlotta's accidental fall, pure humans have long been extinct, genetically evolved orcs dominate the world, they are valiant and warlike, possessing near-perfectly strong physiques and extraordinary fighting strength, the only drawback is that females are scarce. The only drawback is the scarcity of females. Male orcs will burst into heat when they reach adulthood, and will go crazy if there is no female to appease them. When the only pure human girl with sss-level guidance ability comes to the future of the orc world, the whole continent goes crazy. When learned that she was born pregnant body, can for the heir of the king beast breeding top pure blood offspring, all parties big brother is scrambling to pander to snatch broken skull, just to be able to get the beauty favor, and her to make baby to raise pups ......