My Yard Is Like All the Worlds

In an unknown world, people fight against ferocious beasts and build civilization Then we continued to explore and discover that the world is round and round. On this day, divine water descended from the sky, the earth was flooded, and countless creatures died. "I'm sorry, you are just ants in my yard. There are a lot of them. I accidentally spilled the water." There are also countless small worlds in the yard of Jiang Ming's home. Ps new author, purely my own yy