I will be the perfect wife this time - Chapter 30: Dignity Among Ruins

Shennugou is an old and infertile place. It’s hard to find a woman to marry here.

King Grey has unrivaled strength, wealth, and prestige in a world governed by martial ability. However, solitude lingers closely behind those with great power. Beneath the glamorous exterior of a powerful king lurks the shell of man, devoid of purpose and will. 

Reincarnated into a new world filled with magic and monsters, the king has a second chance to relive his life. Correcting the mistakes of his past will not be his only challenge, however. Underneath the peace and prosperity of the new world is an undercurrent threatening to destroy everything he has worked for, questioning his role and reason for being born again. 

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

Corinne was never the princess, just her stand-in, sent to marry Alpha Barrett Locke and end a war.The crown was fake, the vows were lies, but the mate bond that snapped into place the night he marked her was brutally real. He knew she wasn’t the real bride. He claimed her anyway.When the true princess returned, he locked Corinne away to bury the scandal. She escaped carrying his child.Six years later, she returns, not as a decoy, but a self-made powerhouse with an empire of her own and a five-year-old son who has Barrett's eyes. She came for revenge.He sees his mate, his heir, and the bond that never died.This time, he’ll destroy anything to keep them both.One deception started the war between them. One child will finish it.