Space Odyssey: Spectre - Chapter 4: One-Sided

By the fourth year of Su Wan's career, every league rookie hears the same warning from their coach and veteran teammates: “You can try to impress him. You can even try to defend him. But no matter what—no matter if he hurls the most brutal insults your way—never, ever talk shit to him!”

A great demon king who came from another world to conquer Earth. To save the Earth, Li Luyou could only first take care of this great demon king… a little girl proclaiming herself Her Imperial Princess.

- Description from Novelupdates

I transmigrated into a novel that I was reading.“But of all people, why did it have to be Kamon Vade?!”The problem here is this: the character I transmigrated as was a third-rate villain who appeared at the beginning of the original story, but after he had been accused of attacking the imperial princess, he disappeared and left the stage.“Haah, fine. The novel never said that I died anyway. So, I just need to somehow hold out and endure in the academy, right?”But…Maybe because I refused to exit the novel, ‘death’ keeps following me around.‘Motherfxxxer, this is like the fantasy novel version of Final Destination!’Damn it, I have to survive somehow.And I will! No matter what!

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