Hero the Maximum is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading chapters on ManhwaZ fastest updating comic site. The Summary is
‘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!