The Heroine is My Stepsister, and I'm her Final Boss - Chapter 114: Subconscious Power.

Kubei was just an ordinary pencil and button pusher working a day job, hating his boss and making horrible speeches when one day he fell asleep after pushing an all-nighter. When he woke up, he was bound to a chair, facing three creepy robed women and in a body way too young and way too weak to be his own. As he slowly came to, he realized that he was no longer in the same universe as he was before. He had teleported to the Kingdom of Helius, where an all-powerful church rules its lands and wages war against the elusive group known only as Mages. Armed with an incredibly cocky neural interface that just won’t shut up and his own sheer wit, our MC will find himself not just fighting to survive, but maybe even something bigger than himself.

Untolerated by heaven, a boy was restricted by the most powerful spell.

He accidentally acquired a painting inhabited by nine souls that claimed to be immortal.

Then, the legend of a strong young man who violated heavenly principles against the course of nature began.

- Description from Novelupdates

She was originally the king of the dark mercenary world, killing, plundering, and looking down on the world; once reborn, she became a powerful family that shocked the continent, the “Ninth Young Master of Waste” of the Beiting family;

From then on, the elegance of the world, shake hands;

Belonging to ancient monsters, possessing a magical space, practicing heaven-defying skills, killing the sky, killing the gods, and doing whatever they want;

Cool and handsome, domineering and arrogant, leading the world to compete;

In this article, the male and female protagonists are double C, male strong + female strong, and the ending is one-on-one;

- Description from novelbuddy

Li Yi once lived the dream of every pro gamer. He was at the top of his game with the best equipment, the highest stats, and everything a gamer could ever hope for. However, he soon realized that none of his ill-gotten gains for his to keep when he was branded Public Enemy Number One and killed in the biggest battle of the ages.

Now, he has the chance to turn back the clock and return to a time before his first mistake put him on the path of no return. This time, Li Yi will make different choices. With that, comes many interesting encounters — like saving a woman in distress then making love to her seven times in a row while her child slept in the next room. However, will he get back to what truly matters?

One thing is for sure, with the memories retained from his past, he will become King of this game.

- Description from Novelupdates