MTL - The Words of the Number One - Chapter 40 gift

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- 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.

Mo Ran felt that taking Chu Wanning as his master was a mistake.

She was an illegitimate daughter in a wealthy family, with a lowly status. By chance, she discovered that her ex-boyfriend had sold her out. In order to hide, she accidentally injured him and fled in a panic. From then on, they were bound by an inextricable bond...