Monster Invasion: Guardian of the Rear

During the invasion of Earth by myriad races, the turtle in Su Bai’s family evolved into a Black Tortoise, and the cat into a White Tiger. The Vermilion Bird and Azure Dragon, along with other ancient sacred beasts, arrived one after another. However, the sacred beasts had an enormous appetite, which led to the rise of a cunning merchant. ‘Brother, this is Black Tortoise blood, only 1 billion! Hey, why are you cursing me if you’re not buying?’ ‘The champion of the school tournament gets a 10 billion reward? Help me up, I can still fight!’ ‘The main city of the myriad races has countless riches? As a human, I must protect my Dragon Nation and will lead the charge!