The Devil's Cage - Chapter 182: Corpses

When Li Shen’s second personality acts out, her consciousness is sent to a strange place called Split Zone No.13. She is then informed that she can only return home after unraveling the truth.

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

Hong Heeju is a sign language interpreter who has become mute due to severe depression.For three years of their arranged marriage, she and her husband never exchanged a single conversation.One day, her life takes a harrowing turn when she’s taken hostage.‘Don’t hang up! This isn’t a phishing call…!’However, her husband, who was even worse than a stranger, coldly disconnected the call.– “Call me when a body is found.”***You $%#£! He’s such a jerk!Overwhelmed with anger, Heeju decides to threaten her husband anonymously.The problem is that he was a well-known spokesperson for the Blue House.– “Can’t you send threats on time?”“That…”– “Here I’m anxiously waiting for my blackmailer’s call.”“What do you…”– “Are you playing around with someone else besides me?”“…?”Wait, is this the same sociopath husband I knew?——–TL/N: ‘Blue House’ was the official residence and office of the President of the Republic of Korea from 1948-2022.