The Main Characters That Only I Know - Chapter 219:

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

The schizophrenic and bullied middle schooler Lee Jin-woo is about to start high school, but just when he thought his biggest worry would be finding a way to avoid drawing attention to himself, a virus outbreak occurred on the second day, plunging his school into a nightmarish hell, a setting straight out of a zombie thriller movie.However, while he was trapped in this come-to-life zombie horror-flick, not only does he have to think of a way to survive, but he also has to grapple with the fact that this virus outbreak might have been caused by his careless mistake from earlier in the morning.....A rewrite of 'Apocalypse: Apparently, I Can See Zombies'#Story based in South Korea#Story based on South Korean zombie thrillers#Story best read at night#Story best read in bed#Story has plot twists#Story has irredeemable villains# Enjoy the story :)

When a person dies, they either die light as a feather (aka unimportant) or heavy as Mt. Tai (aka very important).

What people do, heaven sees. Evil-doers will receive punishment. But there is always someone who thought that because they have the protagonist halo, they could do whatever and bully whomever all they want without any consequences. Then, let’s just remove their halo and tear down their mask of hypocrisy. Let those scum men and goody two-shoes experience “putting yourself in other’s shoes”, so they would know they were at fault.

At first, Lu Jingqian thought he had to sacrifice his body in order to complete the task. But there are three benefits in doing so; having great items, living a good life, and having a high face value. After a long while, he also felt quite good… what to do?

System, “Can you be more modest? Please remember when you first rejected the idea, what about those just and upright words you said before?”

Lu Jingqian looked at the sky, “Modest? What’s that? Can it be eaten?”

- Description from Novelupdates