MTL - Naruto’s Strongest Gentleman Training System - Chapter 175

There is always such a person in the world, his family background is better than yours, his status is higher than yours, while you work hard and think all the way up, but with just a wave of his hand, you are wiped out. What is even more sad is that he doesn’t even know who you are.

Zheng Jue met Han Jin like this but he didn’t realize this truth until he died. In the end, he had found the wrong opponent and ultimately lost his life.

- Description from Novelupdates

The idiot Long Gen pretends to be a pig and eats a tiger, takes advantage of the girls in the village, travels across the countryside and forests, monopolizes the beauty and coquettishness, and achieves the legend of “Dragon Gen”. There is a widow in front of the door leaning on the door to watch, and a sister-in-law next door looking through the screen window… This book is determined to be a stallion, with the goal of pushing down and being pushed.

- Description from novelbuddy

Originally from the slums, Adam was chosen as a candidate for an experiment to ignite the Spark - an entity that gives superpowers. However, he failed and was thrown into the Dead Lands - the place the world became after the fall of the Last Star, beginning a new era for mankind, dangerous and unexpected. He faced against monsters and dangerous anomalies, sometimes creating artifacts - the miracle of this world.Killing his first monster in deadly combat, Adam became a Phantom - one who could evolve, endlessly moving toward power.Follow Adam on his journey, from fighting monsters and exploring Dead Lands to endless evolution!

I met the male lead in prison.