I can rewind time to prevent death - Chapter 753 - 436: The Ruthless Cao Heng

Hitoshi's life sucked and then a truck made it even worse.But death wasn't the end. He wakes up in a fantasy world as a slave, expecting more of the same bad luck. Then a maid from the super-rich Aoi family buys him to work at their huge mansion. Finally, a break, right?Wrong.Sure, the mansion is amazing. The food is great. And yeah, the Aoi family treats him way better than he expected. But something's... off. Why do they watch him so closely? Why does everyone get weird when he smiles? And why do bad things keep happening to anyone who gets too friendly with him?Hitoshi just wants to be a good servant and make everyone happy. He doesn't realize that his kind heart and helpful nature are stirring up something dangerous within the Aoi household. In this new world, his greatest talent might become his biggest problem.They say no good deed goes unpunished. In the Aoi mansion, every act of kindness pulls him deeper into a web of obsession he never saw coming.“Reincarnated into Madness: Yandere Family's Unwanted Slave” is a story about second chances, magic, and what happens when being too nice leads to some seriously creepy consequences.

A century after the Spirit Qi Awakening, the world enters a new era. Humans are able to absorb the world’s awakened spirit qi, allowing them to tread on a new path—spirit qi occupations!

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
…
It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

“Then why don’t I marry you!” Yu Dong suddenly proposed.

“You…” Xia Feng thought he had misheard.

“You see, you’re looking for someone to marry to ease your mother’s heart, I also want to get married, we’re right in front of the doors to the Civil Affairs Bureau, and with all our papers too!” Yu Dong exclaimed while holding up her red household book.

“And the most important thing is that we just broke up with our exes. This is fate, ah!”

Right up until they left the Civil Affairs Bureau again, holding a newly registered red book, Xia Feng remained dazed still wondering, how did he end up getting married?

Did he just pick up a wife at the doors to the Civil Affairs Bureau?

What Xia Feng doesn’t know is that Yu Dong traveled back in time from 10 years in the future.

Now, having a second chance in life and able to secure a good husband, Yu Dong will live her life at full throttle and without regrets.

- Description from Novelupdates