Rise of The Anti God - Chapter 36: Luna's Origin Laws

In the King’s game, the [King]’s order is absolute and has the power to create rules. As the owner of a special physique, Gu Huai was selected by the system to participate in the game.

The Laughing Demon, Zǔ Zhòu, who had plunged the Nine Heavens into despair, met his demise by defying the Laws of the Dao. However, fate intervened. Transmigrated into a new body millions of years later, with his forbidden bloodline still bound to his soul, he seeks to live this new life as he did before, stopping at nothing, even if it means destroying the Heavenly Dao itself!

The prosperity is about to come to an end, and the poor boy quietly rises.

Traveling across time and space, seek the leader of the world.

- Description from novelbuddy

Xu Mo, a modern high school student was sent back in time to Jing Kingdom and found herself trapped inside of the body of a princess with the same name.

She had barely recovered when she learned of an unparalleled fiancé and in a daze, they got married. Then the stunning genius physician who normally does not pay attention clamoured to marry her. After that, there was a cold general, a flirtatious lord, a tsundere young master……

As it turns out, this was a male-dominated dynasty. Because the female population was sparse, the entire nation shared wives regardless of rank or nobility. Is it feasible for someone who wants to maintain monogamy in this dynasty?

- Description from Novelupdates