MTL - Release that Witch - Chapter 1399 Bloody Mountains (below)

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of powerful enemies by depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

The notorious imperial court lackey and the meritorious military general were well-known for their mutual dislike, a pair of arch-enemies set in stone. Who could have foreseen the unexpected change in the winds of heaven: the general injured on the battlefield, both legs disabled, and even forced by the emperor to marry his nemesis.  

With one marriage edict, two people with mutual hostility are forced to marry and live under the same roof. Yet after these long days together, they come to the realization that this fellow is not truly devoid of any saving grace/unattainable and high out of reach.

- Description from Novelupdates

Special police officer Li Yu was reborn on the body of a little girl who was abused to death by her fiance’s family in Dayong Dynasty after saving people and sacrificed. Special police officer Li Yu was reborn as Li Yu in ancient times.

In my hometown, the former fiance’s family took back the property left by the original owner’s father, smashed and countered the murders of the Zhang family again and again, and rescued the scholar in the next village when he went hunting in the mountains.

When the wind and water came up, the sudden locust plague was followed by a disaster of war…

- Description from novelbuddy