Online Game Sword

As we all know, the world we live in is a three-dimensional world, but what kind of world is the four-dimensional world? Three years ago, the Earth and the planet completely collapsed, and all humans built a thinking network on Mars. Entering the era of complete thinking life, there are only a handful of maintenance robots wandering in reality, and all other humans have entered the thinking world. The story unfolds in these thinking worlds. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.