Domestication Of Divine Beasts At The Beginning summary:

All races have invaded Earth. Su Bai’s pet turtle evolved into the Black Tortoise , and his cat into the White Tiger . The Vermilion Bird and Azure Dragon , ancient sacred beasts, soon followed. However, these divine beasts have enormous appetites, which led Su Bai to become a notorious businessman that gives everyone headaches.“Brother, this is Black Tortoise blood, only selling for a mere ten billion. Hey, why are you cursing at me just because you’re not buying?”“The champion of the Hundred Schools competition wins ten billion? Help me up, I can still fight!”“The main city of all races has countless riches? As a human, I must protect my Dragon Country. I will lead the charge!