A First Sequence individual whose mind had twisted and who saw himself as a demon king posed a far greater threat than Mutant Creatures.
The longer they let him roam free, the more dangerous he became to Japan.
They had to kill him as quickly as possible and reduce the potential threat he posed to the absolute minimum.
In this era, Japan was not particularly powerful. Even with their so-called Three Gods of Japan, along with some gifted Espers who could be considered Second Sequence or Third Sequence, ensuring the nation's safety in this age was still unimaginably difficult.
A First Sequence threat, and one that was an intelligent human, differed from those enormous, simple-minded Mutant Creatures even if his mind was twisted.
He could think, hide, and most importantly, run.
If he waged guerrilla warfare against them, it would be a disaster for all of Japan.
No matter how powerful a colossal Mutant Creature was, they could still confine the battlefield to a specific area and minimize the threat. But for a human in this country, escaping was simply too easy.
But what a pity.
Japan's fourth First Sequence had actually mistaken himself for the demon king of myth and legend. Even if his Superpower was the mythical Shuten-doji, such a mistaken perception could not help but make people sigh.
As for the other possibility—he was the real Shuten-doji, born from mythology.
No one wanted to believe that possibility.
If that were true, then given Japan's mythological system and its countless yokai that existed only in fantasy, they could not imagine what kind of enemies they would have to face.
Even the deities of their myths and legends might not bear humanity any goodwill.
This era was already dangerous enough for humanity. If even the myths and legends that