I Handed Over an Apocalypse Portal, and the Nation Helped Me Build a Base

[Dual-world travel in the apocalypse] [The nation has my back] [Everyone occupies the apocalypse] [Upgrade the dual-world portal] [The Academy of Sciences helps me refine crystal cores]

After Wei Ning unexpectedly obtained a portal between two worlds, he thought he could make a fortune in the apocalypse like the hero of a novel. Instead, the State Security Bureau arrested him. So he decided to cooperate with the government and lead a special forces team into the apocalypse. Once the government learned the secret behind expanding his portal and extending its active time, one remarkable young woman after another was assigned to him. What could he do? He'd just brought over two twin little girls with a mechanized infantry regiment when a goddess of a colonel called him back to base! Then headquarters sent another prodigy his way!