Global Reincarnation: Only I Know the Plot - Chapter 900:

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of power enemies depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

- 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.

Wang Bo was fed up with his job being a programmer, especially because of all of the nights he was working overtime without pay. His boss had given him a mysterious game to beta test in his free time, which had granted him possession of unclaimed territory in New Zealand with which to improve to his desires. After a certain event in his company, he ended up quitting his job. His lack of goals and curiosity eventually led him to buy a ticket to New Zealand, in order to see if the unclaimed territory given to him in the game was actually real. Watch, as he develops this beautiful, fertile stretch of land into prosperity, by building villages, farms, schools, hospitals and more.

- Description from Novelupdates

HAPPYENDING -THERAPEUTIC – SWEETANDCOOL

Lin Jiao and Gu Quan have been in a relationship for two years. For his sake, she played the good and obedient little lady, willing to be as humble as possible. She thought that Gu Quan loved her as much as she did.But at a party, she heard him say to someone, “Lin Jiao is very nice, but she’s not her.”It was only then that Lin Jiao realized how ridiculous she must seem to others. She left behind all the resentment and obsession and sadly exited the stage as he had a sweetheart he could not forget.-Later, Gu Quan was remorseful, and managed to find Lin Jiao.

He grabbed her hand tightly and said in a hoarse, pained voice, “Jiaojiao, forgive me, okay?” He was hoping that she would forgive him easily as she had always done. However, he was alarmed when a certain figure walked into his line of sight.“Darling,” he said as he pulled Lin Jiao backward, giving Gu Quan a smug look. He leaned over to Lin Jiao, touching her face softly. “Let’s continue?”