The world of Astria is filled with heroes summoned from different worlds.

Powerful liches with godlike abilities, giant mechas with eager pilots and neon-samurais fight alongside to defend humanity’s last bastion from the corruption that destroyed the world.

However, not all threats lurk outside the walls. Cut-throat politicians, crooked heroes and mysterious third-parties fight in the shadows to gain control over humanity.

It was back then that they summoned another set of heroes. However, unbeknownst to anyone, this time they made a mistake.

Because one of the heroes they summoned was a demon, a servant of absolute evil…

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This novel was heavily inspired by works such as One Punch Man and JoJo's Bizarre Adventure.

If you’re looking for a novel with a unique premise and good story, I recommend you give this a try.

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Author's Note: The length of chapters double after Ch. 38.