Some evils don’t deserve mercy.
They deserve extinction.

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When a powerful friend begs Konstantine to help find his missing teenage daughter, he knows exactly who to call. Louie Thorne doesn’t hesitate. She never does.

The trail leads Lou halfway around the world—to Tokyo—and straight into the heart of a brutal human trafficking empire run by Riku Yamamoto, a crime lord whose cruelty knows no limits and whose reach extends far beyond Japan’s borders.

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What Lou finds there changes everything.

Girls sold. Children broken. Lives erased for profit.

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For Konstantine, stopping Yamamoto could ignite an international gang war and destroy everything he’s built. For Lou, the cost doesn’t matter. Once she sees what Yamamoto does to his victims, the hunt becomes personal—and there will be no restraint this time.

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As the body count rises and Lou’s own dark powers begin to behave in unsettling ways, she’s forced to confront a terrifying truth: some monsters don’t just deserve to die…they deserve to be erased.

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Overkill is a relentless, globe-spanning supernatural crime thriller—where justice is savage, vengeance is absolute, and mercy is a luxury no one can afford.