A universe was given away at the beginning! !
The protagonist became the last person alive in the original universe, and was transported to the parallel universe by the cosmic consciousness, and told the protagonist that everything in the original universe was given to you.
See how the protagonist uses materials from the original universe to live a carefree life on the doomsday planet of the parallel universe.
There will be no fantasy in this book. It is basically climbing the technological tree, the apocalypse in the early stage, and Star Wars in the later stage.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.