The Regressed Demon Lord is Kind - Chapter 9

After the car accident, the modern loving couple Zhou Ying and Gu Chengrui both traveled through the full-level space.

Zhou Ying has become a broom star that everyone despises, and can’t even eat a dry mouth.

Gu Chengrui became a poor and violent rich man who was rejected by his family, but ignored his wife.

No one loves and loves two couples, so they decided to split up!

The new family is impoverished, and the family has four walls? Don’t be afraid, they have the space and wisdom to get rid of poverty and become rich in minutes.

It’s just that these days have just passed, and trouble has come to the door.

The family wants them to go back to be cows and horses? Don’t be shy, young couples unite the front, go back!

The old rival father and daughter of the clan, one wants to rob the recipe, the other wants to rob the person? The two rolled up their sleeves, and the front was just right!

Unexpectedly, the days finally stabilized, and the disaster that happened once in a thousand years came…

- Description from novelbuddy

Mercy Morgan was just an ordinary young man trying to make sense of his life, but fate had other plans. One fateful night while on the verge of death, he crossed paths with Michelle Elderblood, an ancient vampire whose bite changed everything. Now transformed into Merciless Minerva Elderblood II, he finds himself thrust into a hidden world of powerful vampires and dark secrets.In this realm, where myth collides with reality, Merciless quickly realizes he is caught in a dangerous web of many powerful creatures. Meanwhile, the vampires operate under a singular, formidable king, and every encounter reveals the treacherous politics and hidden agendas that dictate their lives. Yet, amid the chaos, a singular purpose ignites within him: revenge.Merciless barely a day old must face a harrowing exam that plunges him into the depths of forbidden knowledge, forcing him to confront not only the secrets of his new existence but also the gods who have forsaken him. The pain of his past fuels his determination, and as he navigates this perilous path, he wrestles with the question of whether he is merely a pawn in someone else's game before becoming a vampire, or if he is destined for something far greater.Driven by a relentless thirst for vengeance, Merciless must gather strength and confront the darkest parts of his new identity. With every step he takes, the stakes rise, leading him closer to a confrontation that could alter the very fabric of his world.Join Merciless on a gripping journey of discovery, power, and the quest for retribution. In a dark world filled with myth, danger, and relentless ambition, can one man's desire for revenge reshape his destiny, or will it consume him entirely?

There’s the so called class transfer.

Among the high school students that were given cheat abilities, Kirishima Ran was given 『Underling Training』for some reason, a skill that can make a woman a slave.

Ran who was driven out by the kingdom using an absurd reason will make use of the given skill freely to take revenge on his classmates, release his desires (This is mainly the reason), and fight off the world’s system.

It’s a story of him using his wonderful skill making his classmates turn to an obedient cute and lewd slave.