From Skid Row to Superstardom: An Idol System Novel - Chapter 10: Gacha

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

In an alternate world, countless monsters crossed through rifts, sweeping across human cities and bringing an apocalyptic crisis upon humanity.From that moment, humanity entered an era where everyone transitioned into different professions. Nations took pride in cultivating strong professionals and competing for top ranks in strategies for the alternate world.When the first supreme ruler of the Dragon Kingdom, who had been dormant for millions of years, awakened with resources accumulated over that time, the bosses of the alternate world trembled.Top-tier professionals from countries around the globe bowed in submission...-------My new book: “Full-Star Player Returns as a Godslayer”

Fate had never been kind to Ji Ning. Wracked by illnesses and infirm his entire life on Earth, Ji Ning knew early on that he would die as a teenager. What he didn’t know was that there really was such a thing as life after death and that the multiverse was a far larger place than he thought.

Jiang Yang and Qin Xu both dislike each other. Every time they meet they become filled with hatred. Both have feelings for the school idol but they didn’t expect that the other party was actually a cross-dressing man. In an instant, their world views were shattered.