MTL - Devouring Myriad Ghosts System - v2 Chapter 583 Spiritual City (below)

A letter to break off the engagement leads Ling Family in Tangyang to endless doom. And he, Ling Zhang, is tortured to death after his legs are cruelly broken.

“There are no heroes in war, only monsters.”This was an outlook that Sato Katsuro, a man in service to the military, formed after being broken down by years of gore-filled battle.It was an outlook that he took even to his grave...but what about beyond it?Reincarnated into a new world of fantasy and tasked to be the very thing he'd given up on becoming, Sato would have to fight a new war. A war between mankind and an oppressive enemy regime run by a cohort of demons.But, as Sato learned in his past, war wasn't always what it seemed. In war, truths were lies, friends lurked as enemies, and the so-called heroes...they were often the villains.

Kim Min-jae thought he was just borrowing his sister’s new gothic romance novel. Instead, he wakes up as Kaizar Amagi, the man who ruins everything for the novel’s beloved heroine.In the original story, Kaizar is a ruthless schemer who marries Duke Meical Vukasin, the heroine’s destined partner, purely to destroy her. He dies hated and alone.But Min-jae isn’t planning to die for anyone’s plot. If he’s stuck as the homewrecker, he’s going to be the best damn homewrecker this world has ever seen.He plays his part flawlessly: charming Meical, dismantling the heroine’s plans, and smiling sweetly as she loses everything she holds dear.What he doesn’t expect is for Meical to fall for him for real or for the story to reveal a hidden BL route that was never in the book his sister read.Now, in a world of revenge, lies, and dangerous passion, Kaizar isn’t just ruining the heroine’s fairytale ending… he’s rewriting the entire story as his own.

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