Monster Factory - Chapter 660: Forgotten Technology.

Master martial artists were beings that no one can obstruct. A martial arts expert has been reborn into the body of a genius whose cultivation has been abolished and has been abandoned by a woman. Therefore, he starts cultivating the art of Xing Yi Quan, producing a solar system within his dantian. His innate talent tramples over all the geniuses, and even the geniuses among geniuses.

His powerful spirit and ruthless and ambitious nature, no matter who he is reborn into, will never change! Slaughter is instinctive, being cold-blooded is his personality, exterminating an entire family is only a means towards a goal, cruelty means infamy, and chasing after women… is just an interest.

- Description from Novelupdates

What would you do if you were to wake up one day to the message?

[You have 5 days until the next full moon]

[Your bloodlust is increasing]

Gary Dem is a person with a secret. While coming back to school appearing as a whole new person, he does everything he can to keep this from the people he cares about. For his path is one that led him to become part of the underworld.

The world has changed, and gangs rule the streets sponsoring big corporations. Bribing politicians behind the scenes and controlling the decisions people make without them knowing it. Using a new breed of humans called the Altered, a mixture of man and beast.

It was only meant to be a side job, he was never meant to dig in too deep, but on a mission for his gang, something went wrong, something changed him.

[You have 5 days until the next full moon]

[Your bloodlust is increasing]

The lone wolf… is about to go on a hunt!

After three years of being married to an unfaithful wife, the multi-billionaire is chased out of his home!

The world has become a playground for the world of the heavens, and all living beings are digitized, waiting for the players in the world of the heavens to come to kill and torture countless times.

Yi Zheng, who turned into the first trash rabbit in Novice Village, chose to take a group of rabbits to start running, sit-ups, bench presses, rowing, swimming on the green grassland…

A year later, when the player came, what they saw was not a group of mobs, but a terrifying devil muscle rabbit!

The Rabbit King, who was sitting high, waved a carrot and said cruel words: “Starting today, don’t even think of leaving the Novice Village alone!”

- Description from novelbuddy