MTL - Please Start Your Show - Chapter 58 Fifty-eighth Raiders:

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.

In this brand new era of Beast Taming, who can rightfully claim the title of the King of Beasts?

[WARNING]****** /THIS NOVEL CONTAINS EXPLICT SEXUAL CONTENT, CURSE LANGUAGE **** * ** ******* * **** AUDIENCE DISCRETION IS ADVISED“I’m in a relationship with a stunningly beautiful and irresistibly alluring girlfriend, whose charm and grace are unmatched. Winning her heart wasn’t easy, but I thought she was the embodiment of virtue and innocence. However, one day, I discovered a side of her I never anticipated—through our apartment window, I saw a connection with her ex that left me in disbelief. I never would have guessed she could have such a hidden side.”[A/N][this isn't a fast-paced novel, so for all those looking for an early revenge it's not coming now, it's just a casual novel read if you like it]

In the age of the Warring States, the world is at war!

At this moment, a great empire is about to be established, and at this moment, this empire is at stake.

In this vast world, Young Master Qin shouted loudly, “I want this great Qin Wanshi–!”

- Description from novelbuddy