The world after the Demon King was killed. However, there are still Shuras who have the power to kill the Demon King. A swordsman who can see at a glance how to kill the opponent, a speedy gunner who exceeds the speed of sound, a bird dragon adventurer who wields legendary weapons with three arms at the same time, an almighty word sorcerer who can achieve anything with just one word, an unknowable angel assassin who is in charge of death... The Shuras of various races have reached the pinnacle of their abilities. In order to seek more powerful enemies and pursue the glory of "true heroes", a new spark of struggle has been generated. Everyone is the strongest, everyone is a hero, and only one person is a hero. The fierce struggle to determine the "real thing" has now begun -