Debuff Master - Chapter 918

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 :)

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
…
It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

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

You thought being reincarnated as an extra-side character was bad? Imagine being thrown into the body of a villain who is disowned by his own family and discarded by the author.