Returning to Parents' Seventeen - Chapter 90: Flirting Skills

The Red Dragon came from the vast wild wastes, coveting all the strength in the world. It once had countless titles: Mountain's Wrathful Flame, Infernal Calamity, Crimson Emperor, Ashen Dragon......The world trembled under the shadow of the giant dragons. He stirred up the craze of the magic industrial revolution; in the empire he established, Wyverns roared, artillery fired in unison, and steel beasts appeared in the sky and on the land, while disasters from another world rampaged everywhere.“Submit, or die.”Cassius spread his wings, blotting out the sun, and gazed down at the trembling humans, elves, and dwarves below, saying thus.......It is a story about a Red Dragon with a player template conquering, ruling, and transforming an alternate world.(Pseudo of DnD, The Fourth Calamity, Red Dragon)

Young Jiang Tian has a great aptitude, but because of bloodline problems, he turned into a laughing stock and was suppressed!

At the most frustrating moment in life, fate suddenly reversed!

Relying on the mysterious magic weapon left by his mother, Jiang Tian merged with the blood of the savage dragon to rise strongly and crush all geniuses!

However, as he continued to grow, he found that the people and things around him were not that simple, and even the world was full of huge conspiracies and weird secrets!

- Description from MTL

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.

The life story of Gun Choi going towards being the best pitcher in the baseball Major League.