MTL - Zombie: Awaken Green Lotus Earth Heart Fire at the Beginning - Chapter 223

I found myself reincarnated into a game where you raise pretty girls to prevent the world’s destruction.But wait, what are the guys doing while the girls are busy saving the world?As it turns out, it’s a world where women are strong and men are weak.In a world that disregards men, I have to survive as a ‘man who wields a sword.’But… I’m incredibly strong, you know?

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 story of time-travel. Sly and cunning, she unexpectedly became a sickly noble lady whose fiancé is merciless and demotes her to a lowly concubine. She sneers and bravely breaks off the engagement. To hell with scumbags, marry heirs to lords, blind the courts with her brilliance.