The NPC sets out to defeat the demon king - Chapter 11

She, a modern hidden ghost leader of an organization which gathered insane prodigies proficient in the various differing skill-sets. Highly skilled in medicine and poison, executes covert assassinations, viewed as insane and demonic in the eyes of people of the world. Killed in an accident, and reborn into the body of a disfigured young girl.

What? Face disfigured, identity stolen? A return to the family dim and hopeless? Her identity can be given up, her family can be forgone, but as for the one who harmed her predecessor who inhabited this same body, if she didn’t at least make them scream in unimaginable agony and throw them into a state of wretchedness, how could she live up to her demonic reputation? Endless turmoil ensues and it’s a battle to dominate over all! See how she shook the world dressed in a suit of red, her sword up against the dominant powers that rocked the Heavens! Her name spread across the seas, shocking the earth!

- Description from Novelupdates

In the eyes of many people, Hefpaff College represents a mediocre idiot, while Slytherin is famous for its shrewdness, ambition, and sleekness.

When Hefpaff stayed with Slytherin, it was like a badger and a snake in the same room, and it seemed that badgers would always be bullied by snakes.

Compared with the dazzling other three hospitals, Hefpaff is mediocre, so many people forget Hefpaff’s academic spirit: integrity, loyalty, honesty, and fear of hardship. People who possess these qualities may not be in harmony with each other. Tom Riddle was equally famous, but their souls were stronger than him.

Professor Pomona Sprout from the valley is known for being good at the curse of food, and the gloomy and greasy Slytherin chief from the cellar often handles disgusting magic materials such as slugs. They don’t seem to have Any communication and scandal arise, but here is Hogwarts, what can’t happen even if there is magic?

Female lead text.

- Description from novelbuddy

A modern-day antihero, who was infamous for his devious acts, dies in an explosion meant to take down a powerful criminal syndicate. Waking up in a world of sword and sorcery, he finds himself possessing a fragile, powerless body with a strange “System” that seems broken. Initially thinking he's doomed, he learns that by pretending to be weak, he can manipulate others into revealing their secrets, granting him abilities they possess. As he rises in power, he discovers that the System was intentionally sabotaged—by none other than his own future self.

Wen Ying became the “Unlucky One” chosen by Lord God.No matter which world she appears in, she is not loved.————“I heard that you became a sugar baby?”“Stepped on three boats. Ah, the boats probably capsized.”“You are a minister’s wife, but you’re seducing his majesty, why are you such a slag?”Actress-born Wen Ying, displayed the exclusive smile of a white lotus——So what? In the end, won’t all of you become my ministers.