Siheyuan: Use Tunnel System to Dig All over the World

Come to the courtyard. Activate the tunnel system. Dig and dig. The emotional value of the beasts is the length of my tunnel. Dig across the globe, to the heavens. A tunnel is one room, Block the wind to block the rain. It was windy and rainy outside, but I was extremely happy. The Siheyuan is just the beginning. There will be martial arts world, immortality world, fantasy world, and urban world in the future. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.