Crownless Consort - Chapter 27 - : Noblesse Intrigue

[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)

Childhood sweethearts.
The most popular person in school is my childhood sweetheart.

- Description from Novelupdates

An 18-year-old poor college student tried to apply for a job as a tutor but his life almost ended as demons' meal. In his last breath, a mysterious woman gave him a strange power. When he opened his eyes he had turned into a demon with a system that would turn him into… A pervert.

Now he must lived with his dual identity as a model student named Ethan and an incubus named Damian.

[A Douluo Dalu 2: Peerless Tang Sect Fanfiction]He awakened a unique martial soul and forged unfair contracts with soul beasts.Born in obscurity, he rose as a formidable overlord amidst the chaos.He suppressed countless prodigies of his era, his talent unparalleled.He is the true Beastmaster King, the ruler of all beasts.In the shadows, he gathered strength, advancing step by step, until he reigned supreme, unifying the continent.Whether human or soul beast, he would make all beings submit and become the sole sovereign of the land.Ending the turmoil, bringing order to the world—he would ascend to the highest throne, standing above all in an era of chaos.[Multiple love interests, no simping, mastery of strategy, seizing every advantage]