Naruto: The Hidden Protector - Chapter 36: Because it is the most effective way,

“I hope you don’t fall in love with me, because I won’t be taking responsibility,” warned the young man. “Don’t worry, I won’t fall in love with a body double,” the employer dully replied. Yet, both of them forgot what they had said.

Lin Chen, a poor boy from a model agency, occasionally inherited a peerless doctor. From then on, he has been unparalleled in medicine, able to resurrect the world and help the world.

He contends with the sun and the moon, and takes his life to heaven and earth. And all this began when that sexy and beautiful model gave him an ancient book…

- Description from MTL

Just like how everyone adored heroes in their childhood, a certain young man adored those powers hidden in shadows. After hiding his strength and living the mediocre life of a mob character by day while undergoing frenzied training by night, he finally reincarnates into a different world and gains ultimate power. The young man who is only playing at being a power in the shadows, his misunderstanding subordinates, and a giant organization in the shadows that gets trampled…. This is the story of a young boy who had adored powers in shadows possibly eventually reigning over the world of shadows in another world.

Otaku Lin Fei crossed over to a new world…

Rare and exotic medicinal pellets? I eat them like snacks…

Powerful martial art secret instruction manuals? I can sell them like newspaper bundles…

What..You’re an absolute genius? I wreck geniuses like you for a living…

Why am I so powerful?

It’s because I have leveling system version 1.0!

- Description from Novelupdates