Isekai Maou to Shoukan Shoujo no Dorei Majutsu - Volume 1 Chapter 2.08

There was a Senior Brother and a Junior Sister. One of them was transmigrated to this world and had cheats while the other was the reincarnation of a Great Emperor.

Send a mayfly to the world, a drop in the vast ocean!

Ye Chen woke up and found that he had traveled to the Qing Dynasty. Looking at the father lying on the bed, and the mother doing laundry for the neighbor

I thought it was an ancient farming text.

But with the awakening of the system! Only to find that everything is not so simple.

In Xiling in the south, there are Tufuzi running around, there is a restaurant with the same name in the capital, and the Zhang family in the northeast…

In the ancient building

Zhang Family: What the hell are you, you didn’t exist in history!

Ye Chen: I exist to change history.

In the Tomb of King Lu

Wu Xie: Brother’s tattoo is so handsome! He must have some special story..

Fatty Wang on the other side: No! I think Ye Chen’s is more handsome, okay?

Wu Xie turned her head to look: Damn!

Until the combination of various abilities of Shan Hai Jing, he also detached and became an ancient god,

To understand the true meaning of this world.

- Description from novelbuddy

Quinn Winter is a young man from another world. One day, he is suddenly chosen to become the new Demon King. But the Demon Kingdom is in big trouble – it's losing a terrible war against the human kingdom called Gran'le.To help his people, Quinn comes up with a risky plan. He will sneak into Gran'le and learn their secrets. But things don’t go as planned. A powerful noble sponsors him, and he ends up joining Heavenward Academy, the top school for training future heroes.At the Academy, there's a big challenge called the Selection. The best students become Paladins – magic knights who fight demons. Quinn doesn’t want to become a Paladin. He is a demon king! But now, he’s stuck in the Selection… and if he wins, he’ll become the very thing he’s supposed to destroy.He started the day badly. Now, things are getting even worse.

Yun Luo Feng, Hua Xia Medicial School’s genius, died from an accident and her soul attached to Long Xia mainland’s General family’s useless eldest miss.

This waste of an eldest miss not only can’t read or practice martial arts, but is big chested, has no brain, is arrogant and self-willed.

Since having the crown prince as a perfect fiance isn’t enough, she actually snatched a pretty boy in public, leading to the crown prince annulling the marriage.

But she couldn’t stand the annulment and hanged herself.

Opening her eyes again, she is no longer the previous useless miss.

She contracted a God’s puppet and carries a spiritual space. With wonderful hands that can rejuvenate and medical skills that overturn the world!

Both the the royal descendants and nobles above and the merchants below, all compete to curry her favor. Even His Royal Highness, the crown prince,who previously broke the engagement, came knocking on the door wanting to reconcile.

In regard to this, a mysterious man finally couldn’t endure: “Whoever dares to come and harass my woman, let them come but never return!”

- Description from Novelupdates