Doomsday Start Simulator, Enjoy the Silky Smooth and Really Happy

Cao Kun accidentally awakened a doomsday simulator.

But there is a problem now, the simulator doesn’t say when the end of the world will come!

After each simulation, Cao Kun can inherit the various enhancements he has obtained in the simulator.

But the problem remains the same.

When will the end of the world come?

Or, has the end of the world already come?