MTL - Raising Evil Spirits - Chapter 8174 : Xuanzhan

Liu Duo was a young girl whose grandmother sold her to four brothers with the intent to be a bride. Unwilling, she ran away the following night, only to fall unconscious while trying to get away. Unexpectedly, however, she was reborn with the spirit of a 25 year old woman, also named Liu Duo.

- Description from Novelupdates

Time travelling from the majestic era after the Recuperation of Reiki, he became Kimura Kazuki, a 16-year-old high school student in Japan, one year before the Reiki Recuperation.

Tentatively, he set out to hone himself to the bone, burning candles at both ends to stockpile resources in preparation for the imminent Recuperation of Reiki. His goal was to be many steps ahead of all humanity when the time comes.

However, it seemed like fate had decided to play a cruel trick on him.

One year later, the Recuperation of Reiki… did not happen as expected.

- Description from Novelupdates

Anastasia Harrison, a young woman abused by her cruel family, thought her life was over when they forced her to marry Richard, the sleazy black sheep of the wealthy Wallace family. Meanwhile, her favored younger sister, Michelle, was set to marry Xavier, the elder brother, who was a CEO.Yet, an error at city hall ended up swapping their names on their respective marriage certificates.“What is this?! How are you married to Xavier Wallace?”“You're not getting any food or water until you sign the divorce papers!”To add fuel to the fire, the old Mr. and Mrs. Harrison passed away, leaving all their assets to Anastasia and not the rest of the family. This drove the Harrisons to their breaking point. To trade for a peaceful life, Anastasia was willing to leave her inheritance and leave the family, but the Harrisons had other plans in mind.They wanted to get rid of her. Permanently.However, it was by a stroke of luck that Anastasia was found by her new husband, Xavier, before her family succeeded. Determined to get her revenge, she struck a deal with Xavier.“Continue to be my wife and I will help you get your revenge!”

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.