The Man from Hell - Chapter 3: Kill Everything Possible!

A protagonist reborn in another world.

The people of Dafang village all say, the personality of the Lian family’s eldest daughter changed dramatically after her engagement was cancelled by her fiance’s family. She became extremely forceful and unreasonable. After hearing this, Lian Fangzhou secretly thought: Forceful? My parents are dead, my little brothers and sister are still young, with no one lending a helping hand, there are too many people looking to bully us showing up at my door! There’s still the most shameless pair of uncle and aunt eyeing our few acres of land, and even scheming to sell me off as a concubine! Treating my siblings as servants at their beck and call! If I was not forceful, how would we be able to live in peace? Don’t tell me that I should act like the previous Lian Fangzhou and die from extreme anger? In order to quell this bunch of demons, break out a wide path to walk on, angelic faces are useless, only the tricks used by malevolent spirits are the way to go!

- Description from Novelupdates

The Mc reincarnates in a world of magic and adventure as a Leech, follow his adventure in this mysterious and exciting world as he goes from the weakest creature to the shadow being that everyone is afraid of. Will he pursue the path of strength alone? Or without realizing it he will become the king of the greatest empire that ever lived.

The protagonist of the collapse of the three former civilizations is Dr. Mei. What is the end of logic, the strongest brain, super intelligence, this is the story of the strongest scientist of Honkai with knowledge of the moon becoming the god of science!

- Description from novelbuddy