Technology and Life: Starting with Solar Cars

The first volume is solar cars, the second volume is robotic arms, and the third and fourth volumes are network empires. In the fifth volume, the map changes and the interstellar war begins, including the Ultraman clan, the Zerg clan, the Iron Man clan, the Void Beast clan, the world of martial arts, and the world of cultivating immortals. Start writing about the war from Chapter 1 of Volume 5.