His Dearest Wife - Chapter 697

Noah, who was obsessed with the game 'Survival of an Extra'.He spent months chasing an elusive alternate ending.During one of his playthroughs, a glitch and a mysterious effect spirals the game into chaos, killing off characters one by one, everyone in the game slowly started to disappear.In the end, He awakened something he shouldn't have known about, his fate ended in one world and began in another world.Awakening as Noctis Nightryn, the Game’s protagonist and a “extra” Character of the unfamiliar world.He now had to find the cause of the bad ending he had triggered and prevent it at all cost, all while seeking an ending of his own to survive.Since the first day, he arrived to the world everything he knew about game started to differ. The main character were not the same as in the game.Noah realized this world was no longer the same game he knew—since his arrival, everything had already began to deviate, forcing him to make decisions he didn't know would lead to.

In the world of One Punch Man, the seventh S-class hero of the Hero Association, the King Engine King has obtained the super god skill system.

As long as you have reputation, you can extract the skills of the heavens and the world!

DNF’s extreme swordsmanship, the flames of fire in the god of death, the Tensei and Samsara in Hokage, the top three-color domineering in Pirates, the dragon slaying magic in Fairy Tail… Look at the system panel. For the 100 million prestige balance, KING took a discount and chose Stud. “Ding!”

- Description from novelbuddy

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Lucien, a guy who has nothing but the desire to save his mother. To get strong enough, he makes a contract with the demon of L.u.s.t. And now, only by making a great harem, will he gain the power to protect those dear to him.