Courtyard of the End: My Civilization Sandbox Can Be Upgraded

Lin Ye, who was unemployed after graduation, returned to his old house in the countryside, but unexpectedly discovered a mysterious metal disk in the backyard. From then on, his life changed completely - the time spent in this inconspicuous corner was a million times longer than that in the outside world! A grain of dust-like sand is a majestic mountain; a drop of morning dew is a vast ocean.