Pregnant During An Apocalypse [BL] - Chapter 44 - - Heat

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

Humans are clever in tens of thousands of ways, Gu are the true refined essences of Heaven and Earth.

Reborn at the turn of the century, residing in Moscow, freshly off the plane, preparing to study abroad...Wang Ye only ever wanted a quiet life of modest wealth, to live his days in peaceful bliss.Yet, pushed along by the hand of fate, he found himself helplessly walking down the path towards becoming an oligarch!

Xia Ning is betrayed by her boyfriend who wants to marry another girl from a rich and powerful family.