Chaos's Daughter: Sweet But Psycho - Chapter 37 - 33: Nidhoggr, The Rot Devourer

A world where God will grant abilities called Skills to those who come of age. The protagonist, bestowed with two skills, uses them and rises to an existence called a hero.

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

[Mature Content]Arabella Donovan sacrificed her youth solely for her husband. However, he divorced her because she could not bear children for him, causing her great pain.Bella decided to disappear from his life.Five years later, she returned to the country with her adorable son.Her peaceful life started to get disturbed when her ex-husband chased her back the moment he found out she was giving birth to his son.But now, she wasn't the same Bella she used to be. She is an entirely different person.*****“Boss, she's back!”“Who?” Tristan Sinclair asked while scribbling his signature across stacks of papers.“Your wife—” The assistant hesitated, watching Tristan closely. When he saw Tristan's furrowed brows, he corrected himself. “Sorry, I mean your ex-wife, Ms. Donovan. She's returned with a boy...”Tristan sighed, eyeing the contract before him. After five years of searching, only to find out she's moved on, it feels hurt. But he couldn't avoid it. She deserves happiness with someone else. He'll take this loss. “She deserves a new husband...” Tristan muttered, dismissing his assistant.“Boss, what I meant was the cute little boy. I think he's around four years old—”Tristan snapped. His head up, fixing his sharp gaze on his assistant.“I need you to arrange a DNA test for the kid. And get me her address!”A glimmer appeared in his eyes as a smile slowly spread across his face.