The Lust System: Brother, Please Help Me - Chapter 27: The Car Accident

Jiang Liu lost his father at the age of three. When he turned five, his mother decided to run away with another man. At the age of fourteen, he sent off the only relative he had, his grandfather, before carrying a small amount of property and stepping into the big dyeing tank called society.
He was stingy, selfish and absolutely disgraceful. Except for breaking the law, he accumulated all the bad habits available to the mankind. Yet, such a man, after an unexpected death, was bounded by a silicon-based creature called the righteous father’s system. Since then he started his magnificent career in the world system.

World 1: On the ultimate evolution of unquestioning filial piety;

World 2: The man who loves to boast;

World 3: The search for the second spring for ones own mother

World 4: Good father

World 5: The self-cultivation of a national husband

World 6: Acrobat

World 7: Divine stick

World 8: My home has a baby egg

World 9: The correct way of wearing the green hat

World 10: Tremble, you scum man

World 11: An angel who doesn’t like to talk

World 12: The rebellion plan of a martyr

After several worlds went by…..

Righteous father’s system 001: [Shivering], I wonder if I still have time to change my host.

- Description from Novelupdates

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.

Van and his friend Magus had reincarnated in another world with magic. Tasked to kill the demon lord, they set forth.Van was granted very rough skills that made life for him in that world a living hell, yet he muscled through.Magus however, was bestowed with unfair skills. Due to some of said skills, he gained a harem, which in time, included the girlfriend Van made in the world.After beating the Demon Lord, and after finding out his girlfriend had been stolen from him, he got very upset and so he went to propose to... The Demon Lord...!?

“Where do you think you are going with those bags?” Xander interrogated as soon as he cornered her.“Of course, I’m leaving you!” She said, standing her ground, despite the fear in her eyes.“Why?”“You forgot to mention how dangerous you were.”Xander let out a deep throaty chuckle. “Sweetheart, you didn’t ask.”“I don’t care! I don’t want to be a part of this anymore!” She insisted.Xander shook his head. “Too late. We are already married. You now belong to me, and divorce is out of the question.”—Aurora Swift’s world shatters when Owen—her boyfriend of five years—breaks up with her via text. The betrayal deepens when she finds out he’s also getting engaged to her half-sister, Olivia Swift on the same day.Heartbroken and filled with rage, Aurora has a one-night stand with Xander Scott, Owen’s enigmatic uncle and the youngest billionaire in the country. When the fling leads to a marriage proposal from Xander with a promise to help her get her revenge, Aurora finds it hard to refuse.However, Aurora soon realizes that this is anything but a whirlwind romance.Xander Scott hides more secrets than Aurora knows, and the dangers that follow his mysterious identity soon bring about complications in their marriage.When Xander’s secret identity comes to light, will Aurora choose to remain in the marriage as her love for him has grown in depth, or let it drive them apart?