Demon Hunter - Book 1 Chapter 2.4

Chen Minhao found himself transmigrated to a parallel world in China, and he even became an idol trainee. By virtue of his efforts in mastering his IQ, EQ, and his looks as his weapons, he became a celebrity with a huge fan base step by step, and ultimately became a global superstar that conquered the both the fields of acting and singing.

- Description from Novelupdates

Due to a conspiracy, she was brought back from the countryside to marry him as a substitute bride to bring good luck.Ugly and untalented in medicine? Let's see how she magically heals and showcases absolute beauty!The socialites of Bayside, whose faces were swollen from slaps, complained to Mr. Crawford...Wait a minute, her frail husband turned out to be a business tycoon capable of dominating everything. She rushed over to hug his leg, “Husband, weren't you on the verge of being incapable?”He wore an expression as if he was going to devour her, “It seems I must physically show you whether I am capable or not!”

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?”

Fate, a gatekeeper who had been working for the castle, is beset by a few burdens.