One Last System - Chapter 438 Breaking The Rules (R18)

In the rebirth, in order to prevent the tragedy of the previous life from happening, Bai Yu decided to rush to the [Tower of God] at any cost, and face everything together with his sister!

However, Bai Yu, who was bound by the system, mutated his bloodline, and transformed into a black-scaled python seems to be developing on a completely different path from his previous life…

- Description from novelbuddy

The system asked: “What happened to the slag man?”
Bei Yu Tang answered: “Destroyed.”
The system asked again: “What happened to the boss?”
Bei Yu Tang immediately ran away!
Whether abuse of slag male or white lotus, she, Bei Yu Tang is very skilled.
But regarding abusing the boss, forget it!
Big BOSS’s fighting power is too strong, for small shrimp like her, it is still the best policy.
She did not want to destroy the boss, but was destroyed by the boss.
BOSS lord: “Wife, who do you want to destroy, let your husband do it.”
Bei Yu Tang excitedly replied: “System monarch.”
System: (face filled with tears and dead … …)
[Story of pampering, 1v1, Straightforward story, Easy and humorous]

- Description from 69shu translation

This is a world where humans, demons and mysterious beasts coexist. Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception. A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings. Some demon kings have a tyrannical corporeal body, some are experts in illusions. Some demon kings are proficient in magic, some can even move mountains. Some demon kings are able to sense things thousands of miles away. These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…….

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