MTL - Princess Medical Doctor - ~ 922 Yan is good, Yucheng is a good thing (on)

Xiao Yu, who was a student from modern Earth, accidentally transports to another world and becomes the lord of a territory. Facing an unfavorable situation, he vows to take back his family business, build his new territory, kill all of those who covet his wealth, and dominate the world!

- Description from Novelupdates

This novel is also known as Don't Mess with the Dark Princess

When trash becomes a genius—one word: Fierce! Two words: Two-faced! Three words: Too heaven defying!

She is the foremost and outstanding armament refining master. Passing through a dynasty, and became a publicly humiliated and bullied Third Young Miss. Ancient beasts, too outrageous? Obediently become a docile pet, or I’ll make you into soup!

Ninth rank talent, rare talent in a thousand years? She was born with a godly constitution, crushing all geniuses!

Peak level Profound Grade Armament, beyond priceless? Sorry to embarrass, but the bowl she uses to feed the cat is already at the God Grade….. she possessed a pair of eyes that could see through everything, yet she couldn’t see through—him!

Merely exposing his demonic smile, Prince Mou lightly loosened his belt: “Can’t see through? Do not fret, you can slowly view when you return to the room. I’ll allow you to scrupulously inspect from head to toe.”

- Description from Novelupdates

Dusk is the boundary, Yin and Yang are divided into two parts.

When the evil god’s flesh and blood crowded out from the cracks in the earth, when mountains of flesh and blood appeared everywhere.

Some people fear it, some people worship it, and some people burn incense and make offerings.

Some people also tasted it, hey, it tastes good?

As a result, flesh and blood turned into crops, and people greedily harvested, fought for, and worshiped their ancestors.

Hu Ma was reincarnated from fear, ate Tai Sui, kept a stove, went through hardships, fought for his life against evil spirits everywhere, and then…

……What? Am I the evil one?

- Description from novelbuddy

In short, MC inadvertently created a world, but as the creator of the world, he did not know the world at all. He should have lived here like a fish in the sea with some plug-ins that MCs always have. But now he is even stumped by the bugs in the instant world. Luckily, in this world he has found his shadow guard, or his lover? So the daily adventure is getting not so boring…

- Description from Novelupdates