There Are No Heroes in the World. I Am Really a Hero.

The human race has four heroes, and those who are on the list can be called martial arts! An otaku from the 21st century traveled to the world of martial arts continent, and was injected with three drops of semen... By a head. From then on, he dominated the list of heroes in the world. [Amon Discussion Group (474227520) looks forward to seeing you all young heroes] O(∩_∩)O