A Pig-Slaughtering Knife Cutting Through All Realms - Makes Sense, Right?

Ye Chuan — a mental patient — sees all living creatures as pigs. On the day of his job assignment, he awakened a life-class profession: Butcher. His teachers and classmates were bitterly disappointed, and even his childhood sweetheart left him. However, this seemingly useless profession granted him two unique traits: Deals extra damage to pigs, and damage from pigs is halved. And since everyone looks like pigs in his eyes, armed with just a butcher’s knife, Ye Chuan begins his incredible rise to godhood.

Original Webtoon