12 O'Clock Marionette - Chapter 45

On one dark night in Tokyo, japanInside an abandoned factory…Shizuka Marikawa, a working woman was returning from her work but ran into an unfortunate situation where she almost lost something more precious than her own life but got saved at the last second by someoneShe couldn't help but look at the boy in front of her with wide-opened eyes as she was too stunned to speakAll she could do was stare at a boy with white hair soaked in blood as Around him was nothing but corpses of humans he just killedAnd From this instant, she instantly knew the boy was not human at all because, unlike humans, he had one red eye as he had some weird things coming from his back which he used to pierce through human chests with ease‘monster’ Shizuka Inwardly said this as this was the only answer to her questions even though she said this but she somehow also knew he wouldn't harmShizuka is someone who has always been able to read the intentions of other people from their faces due to events that keep happening in her life which is the reason can tell this boy or a monster moreover she found nothing in his eyes but sadness and painMaking him very pitiful in her eyes, since even though he himself is in so much pain and sadness and even then he is saving herIn her eyes, He is not only Pitiful but also very kind“Please come with me!” Shizuka blurted it out unconsciously even though she had no idea what she was saying because she said it instinctivelyOr maybe she knew? She just knows she can't leave him alone otherwise this boy will be all alone as she decided to take him with HerThe boy couldn't help but look at the woman with a cold graze even though it seemed cold but inside he was very confused as he was even considering a woman's mental healthUnknowingly at this moment, the boy made a bond that he never imagined in his entire lifeUnfortunately for them, his and Shizuka's lives will be totally flipped upside down soon due to unseen events..…

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

A modern-day antihero, who was infamous for his devious acts, dies in an explosion meant to take down a powerful criminal syndicate. Waking up in a world of sword and sorcery, he finds himself possessing a fragile, powerless body with a strange “System” that seems broken. Initially thinking he's doomed, he learns that by pretending to be weak, he can manipulate others into revealing their secrets, granting him abilities they possess. As he rises in power, he discovers that the System was intentionally sabotaged—by none other than his own future self.