MTL - The 21st Century of the Gangsters Everywhere - ~ Seven hundred and seventy before marriage

If human life could continue to grow stronger indefinitely, reaching infinite heights, then one day it might connect with the heavens!

Youth, is meant to be used to shed sweat under the sun!

Trapped as a married woman, she endured, but becoming an abusive mother to her son was unbearable. Her son's biological father also disliked her, something she could not tolerate!Now, she faces a major dilemma: should she keep the door shut and live her small life, or divorce and find a new love with her son? This is a question worth pondering!?【Definitely a pampering tale】ps: This story is fictional, with no historical inquiry, please do not delve deep. Any similarities are purely coincidental. Also, some data in the text are based on the personal understanding of the author, please tolerate any mistakes.

A man who was once called the world strongest agent ended up becoming a teacher after his retirement to train the new generation of agents. After many years of training his disciples, he is killed at the age of 60 by the ploy of a secret organization and was reincarnated in another world with all his past memories.Though he was surprised by the magic and the strange species of that world, he adapted very fast 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 tight 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 new students.