I Used to Love You - Chapter 10 Recollection

Look at this title. Then look at this cover. Then look at this title. I'm on a horse. You are now a fan of this novel.Why overcomplicate stuff? Just give it a try!(Yes, I'm that confident)

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.

Tianshu Fengshen list, Di Shu Shan Hai Jing, human book life and death book!
Above nine days, it is for the fairy palace!

- Description from ptwxz (translated)

Suppose you were born stronger than anyone. There are many protagonists in this story. They are considered a geniuses, but you are more talented and genius than them. And you never hide that everyone knows you are a genius.Our MC Jin was born in a powerful clan. He has everything. Before his birth, he activated the all-arounder system. A system that allows him to learn anything from any anime. Later, you will see that he uses Gojo Infiniy, Naruto Rasengan, Bankai, and many other things.