Gardenia's Heart - Chapter 25: The Guardian

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.

Mo Ran felt that taking Chu Wanning as his master was a mistake.

“In a twist of fate, Blake finds himself reincarnated into the world of High School DxD, a universe brimming with angels, demons, and supernatural forces. Gifted with the power to plunder luck and travel across worlds, Blake is determined to forge a destiny of unmatched power, endless wealth, and a harem of breathtakingly beautiful women. As he navigates a path filled with powerful allies, fearsome enemies, and thrilling adventures, Blake must uncover his true potential. Will he rise above the challenges and become a legend, or will the lurking darkness claim him?”Ding!“Host has successfully integrated into this world. Activating the Luck Plunder System...”1%... 36%... 78%... 99%... 100%!

A young Brave walked out of his village, gathered companions to his side, defeated the Great Demon King, became famous, then came back with beauties in hand! This was a legend that appears in the world of Seyrol every 200 years!

Our protagonist, however, isn’t a Brave. Even so, for over a thousand years his figure has loomed throughout its history.

Unwittingly, the name of the Red-robed Priest began to resound throughout the world. Red-robed Priest’s legend included extraordinary sword techniques and magic, erudite knowledge, and an almost prophetic ability to lead young Braves toward the proper path. People of the world think of him as a descendent of the ancient Yellow Race which led to his omnipotence. In essence, however, this was just the characteristics of the profession known as ‘Noble’.

- Description from Novelupdates