MTL - Martial Arts: Just Finished the Patrol, the Beginning is Ruthless - Chapter 102

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

only led to his death.But fate had other plans.Reincarnated as the son of the strongest being in existence, the Demon King. One might expect him to resist, to rebel against the Demon King and kill him once and for all.But why bother?Being the good guy led to nothing but betrayal and death. This time, he'll live for himself. Women, pleasure, power—he will claim it all, as any true demon would.

She was a medical genius from the Noah Medical Academy as well as a drug producing specialist. After sleeping for three days, she had returned to the ancient era and become the loyal marquis palace’s ignorant and silly young miss.

She is the newly crowned Best Actress of the Entertainment Circle as well as the long-lost second young lady of the Ye Family in the Imperial City, a fact everyone knew. The eldest daughter of the Ye Family was the Chairman of the Fenghai Group; the third son of the Ye family, a big shot in Imperial City; but the found second young lady was merely a decoration in the Entertainment Circle.Her father did not love her, her mother did not cherish her. However, nobody knew, behind the guise of a mere decoration, she was in fact an exceptional agent that international powers found troubling!Unexpectedly, she made a mistake, was tricked, and accidentally bound herself with a system to complete tasks and absorb energy.Since then, she dominated in all parallel universes, rewriting the tragic lives of others. In whichever world she was in, she thrived effortlessly. What she did not anticipate, however, was crossing paths with a big shot from a mysterious power…When she finally recovers her strength to return to her peak form, she could let go of her identity as the second young lady of the Ye Family; she could reject her family's estate. But, if she didn't give a good reckoning to those who plotted against her, how would she do justice to her hard-earned title of Chief Agent?Once her identity is fully revealed, it would be her time to shine!***One a prodigious mystery youth, the other a world-renowned Chief Agent, this is a showdown between two formidable figures.***The alternate titles of this novel include “The Heroine Is Really Amazing” and “The Hero Is Really Handsome”.—【Refreshing】【Quick Transmigration】【1v1】