Acquired the Scam Rune in the Academy - Chapter 146

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

Humanity lives under an unseen rule—the Ascension Cycle. A hidden system selects individuals at random, forcing them to complete tasks and gain different abilities as a reward. Anyone who fails a mission assigned by the system will instantly die on the spot.Ronan Vale wasn’t chosen at random.Killed on a mission gone wrong, he wakes up with a system unlike any other:[Evolution Path: Kill to Survive][Failure to Execute: Life Force Erosion Begins]Ronan has only one way to stay alive—which is to obey every mission assigned to him by the system. Unlike others, Ronan evolves after every task, each kill makes him stronger, sharper....but less human.As he fights to survive, he realizes his system is different. It evolves with him. It whispers to him. And it may not be just a tool—but a living thing.As war brews between Harbingers—those who embrace the system—and Eradicators, who seek to destroy it, Ronan is caught in the middle. But he has no time for their games.Because the real question isn’t how to survive.But what he’ll become in the process. A heartless monster bred only for destruction? he was about to find out.A:N; will there be romance? umm...NO!Harem? NeverKilling? YES!dark triller? YES!overpowered mc? hundred percent YES!

[WARNING!!! ADULT CONTENTS!!! R18+]Syril Sylvester was an orphan in a world of superhumans. Due to his parents untimely demise, he couldn't get a power book. He became a joke in the society, a victim of several taunts and bullies. But fate had other plans...A book from the trash fell into his hands one day, granting him not only the greatest superpower, but an absurd way to level—fuck his way to stardom.A weakling suddenly became a grandmaster (on battlefields and beds).--------------------------------------------------[Welcome, Syril.][Congratulations! You've successfully fused with the Sexy Mech System.][Fuck your way up!][Stats now available.][Click here to check Stats.]--------------------------------------------------MC is OP, but his journey starts small with quests from the system. The story is ACTION and LEMONS packed. So, yeah, expect some LEMONADES and get your popcorn, because this is one hell of a ride.