Trapped with a Scumbag System, I conquer the heroines
The weak serve as fuel to the strong, while those inferior cover as power rules absolutely.
Ryoen Tanaka, a man who craved that type of power more than anything else.
Living life in what was basically hell, failing to be an adventurer due to his lacking aptitude, becoming a mercenary and killing the crowned demon, Kazuki Hiroto...
He died shortly after. What he didn't expect, was to be reincarnated in a world with espers and mutants, superpowered heroes and the opposing villains.
Not only that, the crowned demon himself has become his twin brother, Tanaka seriously doubts whether this world is worse than the previous.