(Post-apocalyptic) (One heroine or no heroine) (Fallout)
In the 21st century, Chen Mo was relaxing at home, playing the Fallout series, when a sudden bolt of lightning struck him out of a clear sky. It sent him to a world whose setting was strikingly similar to Fallout.
The good news: he survived being struck by lightning. The bad news: he might be a little dead. Chen Mo had expected to struggle to survive in this wasteland where all order had collapsed, but after accidentally coming into contact with nuclear energy, he discovered he could travel between two worlds.