Zero no Tsukaima - Volume 9 Chapter 6

Short, rich, and handsome, Lin Feiran was always the center of attention. But after transferring schools in his second year of high school, he discovered that his limelight was snatched by his Adonis classmate, Gu Kaifeng.

This is an era of national miracles and national adventures.

A gray fog swept the world.

Ghosts, ghosts, ancient gods, extraordinary races, etc., are all over the gray fog.

There are dangers and miracles.

Some items and even creatures invaded by the power of gray fog are called miracles.

Some miracle items can generate ore every day, which is inexhaustible.

Some miracle items can make people stronger even if they lie still every day.

And some, it is possible to create extraordinary warriors in batches.

Bai Ye came through, with a golden finger that could see all the prompts, and got a fire source at the beginning…

- Description from novelbuddy

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.