One Piece: King of the World - Chapter 3 - : King Engine?

Kazuki’s life was painfully average—just another cog in the nine-to-five grind. His only escape? Binge-reading novels and no-lifing video games.Then he woke up inside one of those novels.Armed with unstable morals, unhinged humor, and a penchant for pettiness, Kazuki is determined to survive, thrive, and maybe cause a little chaos along the way.The world has no idea what’s coming.

“I can clear all your debts, but you have to substitute me in my marriage…”

When Liang Dou Kou was diagnosed with cancer, she formed a contract with Qin Zhi Ai to substitute her in the time she would be absent, including her marriage with Gu Yu Sheng.

Initially, Qin Zhi Ai suffered under the cold and harsh attitude of Gu Yu Sheng, who mistook her for Liang Dou Kou. But his heart gradually softened and he fell in love with her.

Just when he thought that he could live happily ever after with her, it is time for Qin Zhi Ai and Liang Dou Kou to revert their identities, and Qin Zhi Ai evaporated from Gu Yu Sheng’s life.

Months later, Gu Yu Sheng meets someone who possesses the gaze of Qin Zhi Ai who captured his heart…

- Description from Novelupdates

Ling Xiao was secretly in love with a girl named Mo Qi; because of an accident, they both crossed into the ancient times.

Mo Qi who was preinstalled with the Mary Sue halo, in these ancient times, walked to the summit with a golden finger.

However, Ling Xiao continued to be exploited by Mo Qi.

After he no longer had any values to exploit, he soon became a pitiful cannon fodder.

The heavens decided to take pity on Ling Xiao.

And gave Ling Xiao an opportunity for rebirth.

After rebirth, he vowed that all his enemies would repay him with a debt of blood!

However, why have all these enemies of his, fallen into the mode of cutting their heads open?

“Hey, are you really that unremarkable person who used to follow behind Mo Qi?”

“So this dance was originally danced by you, sigh……”

“You are obviously a man, yet you move me so much.”

“Enough! Since you have taken the initiative to provoke me, then you must concentrate on me!”

Ling Xiao expressed: If you want to counterattack, then counterattack. As long as your golden finger is bigger than Mo Qi’s.

But how did Mo Qi’s Mary Sue halo end up in his body! He is still a straight man who likes beauties! He definitely, definitely doesn’t want to turn bent!

- Description from Novelupdates

Nine years ago, humankind almost perished the day monsters came out of the Cracks– aka dungeons– that appeared all over the world.When all hope seemed to be lost, a select few awakened as Hunters equipped with a System.Thanks to them, the civilization recovered faster than one would expect after the apocalypse.However, another conflict presented itself later: the more the Hunters used their powers, the quicker they lost their sanity.Fortunately, among the Awakened People, there is a group classified by the System as Guides– and only these Guides have the power to soothe the Hunters and bring them back to their senses.Sounds great, right?But what happens when a Civilian is in a relationship with a Hunter who has a high matching rate with their Guide?“Let’s break up, Wonhee.”Yep, this is what happens when your Hunter boyfriend has a 76% matching rate with his Guide.Wonhee was dumped by her long-time boyfriend because she’s just a Civilian…… or so she thought.