A Hentai System in the World of Danmachi - Chapter 20 - 19 - Harem System.

Qin Lin was electrocuted by playing a nostalgic “Ranch Story” game, and suddenly gained the ability to enter the game. He also found that he could bring the watermelons grown in the game out of reality.

At first, he calculated that a pound of watermelon would sell for 2 yuan. As long as he sells 10,000 catties of watermelon seeds in the game, he can earn 20,000 yuan a day.

Later, he discovered that by upgrading pastures, he could obtain advanced crops beyond the world, raising livestock to obtain advanced livestock breeds that were far beyond the world, and building factories to obtain various formulas that were far beyond the world, and everything was different.

- Description from novelbuddy

This is an alternate history. Decades after the fall of the Eastern Jin Dynasty, the world is still in chaos, although there is hope for reunification.

Reborn as a poor young man in an unknown mountain village in another world, Lu Qing expressed his helplessness.

Fortunately, he awakened a power that could see through item information, which gave him some capital to survive.

He looked at a weed on the side of the road.

[Ox bone grass is of average quality and can be used medicinally. It is quite effective in treating bone injuries. 】

Look at the red carp in the river.

[Red Moon Carp is of high quality, with delicious meat, and is a top-quality nutritious food. 】

Look at a hare in the mountains.

[Gray rabbit, common hare, edible. 】

…

Relying on his own supernatural powers, Lu Qing gradually established a foothold in the village and was able to survive.

Just when he thought that he would spend his life peacefully in this ancient world with low productivity.

One day, he suddenly saw a figure flying past in the sky…

- Description from novelbuddy

Ten years ago, Joseph Cassian was thrown into a maximum-security prison for crimes he didn’t commit framed by the very family whose blood runs through his veins.Now, at twenty-eight, he walks free into a world where the city’s mafia empires have mysteriously crumbled. Their leaders, slaughtered. Their empires, burned.All while Joseph sat in silence behind bars... no one can prove he did anything and yet it all happened as if he planned it.Was he just a wrongfully imprisoned scapegoat, a man who survived injustice?Or is he a mastermind a Don who orchestrated revenge so flawlessly that not even he had to lift a finger?Now that he’s free, Joseph stands at a crossroads.He can leave the blood behind, walk away from the ashes of an empire that once owned the city.Or he can claim what’s left of his legacy and become the very Don the world has feared all along.