The Principle of a Philosopher by Eternal Fool 'Asley' - Chapter 26: The Laughing Fox

Luo Zheng is at the bottom of the Luo Clan hierarchy, despite his family being the founders of a power refining technique that could instantly defeat any opponent.

One night, enraged by unfair treatment from a family steward, Luo Zheng burns the family records. In doing so, the hidden magic in the book engulfs him and Luo Zheng becomes a new skilled fighter. Fleeing his home and despicable clan, Luo Zheng must learn to harness his powers to rescue his younger sister while his own cousins are on his pursuit.

- Description from Novelupdates

[WELCOME TO THE VILLAINOUS LUST SYSTEM] [YOU HAVE 0 LUST POINTS] [YOUR FIRST VILLAIN MISSION IS…] Bo is a lowlife who has an accident as he rushes out of the apartment of the married woman he’s screwing (her husband came back) He wakes up as a farmboy named Levi in the villainous lust system, a platform that promises to make him stronger if he can be a degenerate. Now by performing sexual acts, he can increase his strength and become the greatest ever mage! Yes, this book contains what you think it does, you dirty pervert. in fact it contains plenty of it (it’s a lust system after all)

In her previous life, Fang Qing’s parents passed away one after another, and she herself died tragically in a dark mental hospital.

When he opened his eyes again, he accidentally returned to the time when he was seven years old.

This time Fang Qing was cautious and vowed to change the fate of himself and his family. She studied hard to get ahead, and by the way, she won over the handsome boy next to her who was always blushing.

- Description from novelbuddy

One day, Saijō Haruto was forced by the Evil God of another world into reincarnation, and his soul was cursed.He was reborn into a world of swords and magic.In this world, one can become stronger by raising the level of their combat occupations.Unfortunately, Haruto cannot raise his level because of the curse.Haruto felt hopeless.However, because of the Evil God’s miscalculation, Haruto obtained an inexhaustible supply of magical power.This is the tale of how a Sage—cursed to have a “Locked” Status—managed to reach the pinnacle of strength by the effect of the curse.