He came back having lost everything — and every last one of them had gone dark.

At twelve years old, Zerovalt stood on the battlefield alongside three girls as a Mage of the 《Xenograph》 class. But when a mission went sideways and their lives hung by a thread, he reached past his limits and unleashed a forbidden spell to save them. The price he paid: his left arm. His left eye. His black hair. And ninety-nine percent of his power as a mage.

“I’ll be back in three years. I promise.”

That vow, made in a hospital room with three girls who meant everything to him.

He spent those three years grinding his remaining one percent into something razor-sharp — and returned to Academia’s upper school exactly as promised, a dropout in every sense: one arm, one glass eye, and a reputation to match.

But the girls waiting for him had changed in ways he never could have imagined.

They’d gone dark.

“I’ll be by your side from now on. Always.”

“Anyone who lays a hand on Zero-kun — anyone — I won’t forgive them.”

“My life has been yours since that day, Zerovalt-sama.”

The girls who’ve gone dark — won’t ever let him go.

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