Dungeon of Knowledge - Chapter 2: Dal’mohra, City of Learning

She is a top-class spy, a poison specialist, but also a young and cute girl with a sinister temperament. In spite of her sweet and innocent appearance, she can complete any tasks without the slightest hesitation. One day because of an incomplete black magic, she was sent into the body of a girl who was deemed as a good-for-nothing. What kind of change will she bring to this continent?

Su Mo is a late bloomer, introverted and not very good at communicating with strangers.

I thought that my life would be so dull, but after participating in a national game “Star Ring”. Rediscovered the joy of life and embarked on the road to the top of the throne.

- Description from novelbuddy

[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.

A man who was once called the world’s strongest agent ended up becoming a teacher after his retirement, to train a new generation of agents. After many years of training his disciples, he was killed at the age of 60 by a secret organization’s ruse and was reincarnated in another world with his memories intact. Though he was surprised by the existence of magic and the strange species in that world, he quickly adapted to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his rigorous discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life. This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.