My Ancient Well Hides the True Immortal

Fang Cheng returned to his hometown in the countryside. He wanted to renovate the old house, but he had no intention of renovating it. I suddenly fell into the ancient well at home. I never expected that there was another world in it, even the world. Entering another world, what's even more surprising is that in the well, Fang Cheng revealed the cultivation method. All laws are valid.