My Cold and Beautiful Wife - Chapter 9

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

The only being with extraordinary powers on Blue Star has mastered the Gatling Flight, turning missiles into flying swords. His short-term goal is to destroy planets using psychokinesis.

On her wedding night, Jian Ran met Zhou Huai'an, the man rumored not to like women.After that, she was cautious and humble in front of Xu Zichuan every day.Until that night, when blood flowed and rain poured, she learned the truth.She collapsed in the pouring rain, hugging herself, laughing madly with tears streaming down her face.Then, she slowly bent her proud spine, trampling her dignity into the mud.In the end, when Jian Ran left, Xu Zichuan went mad.Zhou Huai'an kneeled on the ground, “Jian Ran, I was wrong. What must I do for you to return to my side?”

Starting as a fallen noble? Struggling with hunger? Having to pay high taxes to the king? If you don’t pay enough, your head will be chopped off?Romon activates the Lord Simulator and begins with a village...[Your subjects discover a large amount of magic crystal ore while digging on the western side of your territory!][Your territory's culture improves, and your rapid-fire mage develops: Orbital Magic!][You successfully expand your territory and discover an underground labyrinth city on the new land!][You annex the land and gain a new title: Duke of Thune!][The king passes away, war breaks out, and you decide: to annex all lords and establish a new kingdom!]Romon: “Annexing the world is for better simulation, leading the world to ascend efficiently—how can you call it personal ambition?”