Hero The Maximum

I want to become number one.' It didn't matter what category he became number 1 in, but incompetent South Korean highschooler Han Gangchi,' wanted solely to be the best in something. He stumbles upon an astounding talent in him and That was the hero's' power? In a peaceful time where evil and good are indistinguishable, he and the other heroes begin their merciless purge of the villains!