You were a normal guy in Japan.
Well… normal‑ish.  
Eighty‑three kills this month isn’t that weird if you avoid the news and don’t ask questions.

But on your way home—thinking about dinner, maybe your next target—Truck‑kun decided your arc was over.
Splat. Roll credits.

Except no.

A Goddess, clearly in a rush and absolutely not reading souls properly, yanked yours mid‑splatter and shoved it into a “compatible vessel.” She meant to summon a hero. A shining beacon of hope. A chosen champion.

Instead she got you.

A soul so malicious that even the Devil would mutter “oh hell no” when you wake up each morning.

And the worst part?
You immediately pick up a cheat ability.
Not a normal cheat ability.
Not a balanced cheat ability.
One of those “why did the author allow this” cheat abilities.

Now the world expects a hero.
What it gets is a walking apocalypse with a smile.

Prepare to ruin the heroic atmosphere of this entire world.

The demonlord summoned as the hero