Otherworld TRPG Game Master - Chapter 151: S3. Learning From The Past: Closure

The main character Lei Yu does not have the ability to practice his family’s martial arts. He gets stepped on and tossed around. Due to certain reasons, he leaves the family, coincidentally gains an ability, and makes his own path to becoming an immortal.

- Description from Novelupdates

[Hi, I am Poppy Hardy, Your system general manager. You have finally gain access to the entire fund on the system. Congratulations. $100,000,000,000,000 have been unlocked. You can now donate as you want. You can now investment as you want. You can spend as you want. Good luck host. Become the most beloved man on earth] Once bullied, once humiliated, once he begged like a dog, but now everybody wants lick his feet. Ethan Winston, The remarkable Giver! Godly Investor! To hell with you all. I would provide and protect those in my heart!

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.

A back-to-basics(?) monster evolution novel.