For those who perform the supreme feat of killing a God, we grant them a Title. Campione - GodSlayer. Among all virtuous readers, some will likely believe I'm overly exaggerating this title and frowning, while others will think I'm making an undue fuss about it. However, I want to emphasize this once again. Campione - Godslayer - is the Supreme Ruler. Since he can kill a celestial being, he can therefore invoke the highly divine powers of the gods. Campione - Godslayer - is a King. Since the power to kill a deity is in their hands, they have the power to dominate all mortals on Earth. Campione - Godslayer - is a Demon King Therefore, among all mankind living on earth, those who have the power to oppose them do not exist! This is the story of a young man who, after ending up in a different world, gained the ultimate power by killing a God. A Champion. This is the story of a young Campione who reigns over all mortals on earth with his supreme power. His story in a world full of Gods and King Demons yet to be seen. _