Welcome To Hell, Dear Wife - Chapter 9: Grave of the Forgotten.

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

“Abused and disowned by her family after she was found heavily pregnant, Ji Weixi was forced to leave her hometown with nothing to her name. She returns four years later, only to be caught in a job with Li Shaoling, her stepsister’s fiancé-to-be as her boss.

”On the bed.“ My new master, the Alpha of Drogomor, commanded.I walked toward the bed, naked, ashamed, and full of tears.I was about to lose my virginity, but it meant nothing to the man who was going to take it.***I am Rosalie, 20 years old, sold to the most terrifying alpha by my own father.”You're nothing to me but a breeder.“ he said to me cruelly.I had long known that my love for him was hopeless and foolish. However, I was naïve to think that was the end of the story.Once the baby is born, I will be put to death.***People thought I was dead, but I survived.”It's you!“ He grabbed my hand, and his eyes were filled with emotions I couldn't understand. ”Come back to me, Rosalie.“”Sorry.“ I calmly looked back at him, ”but I think you've got the wrong person.“

A knife in the pregnant Luna’s belly.All evidence points to the Alpha’s scorned concubine.Althea didn’t do it.But no one will believe the wolfless omega who was rejected, humiliated, and made his slave.So she runs—straight into the Red Mist and into the jaws of the one creature that even the Alpha hunting her fears.---Thorne Vargan, the Hellhound of the North Clan, swore bloody retribution on everyone responsible for destroying all he had ever known—especially the woman who beheaded his mother.As fate would twist it, that woman’s daughter stumbles into his hellish domain…And Thorne is not letting her go.He claims her.As captive.As leverage.As vengeance.But the fates have a different tale to weave as something in him hungers for her in ways far more dangerous than hate.Her scent tempts him.Her fear intrigues him.Her secrets threaten to set his blood—and the entire pack system—on fire.And while Thorne pins her to his world with claws and shadow, the Alpha she fled is coming.He wants his little omega back.