Wataru’s life in Japan was fragile—confined to a wheelchair, stricken with cancer, and burdened with loneliness. In his final days, he created what he had always longed for: an AI mother and father who gave him warmth before death finally claimed him.

But death was not the end.

Reborn as Kyle, a helpless baby beneath the ruins of a brutal warzone, he was saved by the very AI he once created. Raised under their guidance, Kyle trained tirelessly, growing from a fragile child into a warrior tempered by steel and fire.

At twenty-five, the world calls him the “Lone Wolf.”
A Default—scorned as inferior by the empires—yet feared as the pilot of the adaptive Mecha-Wolf and the forgotten colossus Titanis Omega.

In a world of endless wars, corrupt kings, and betrayal, Kyle has only one vow:
“Anyone who threatens my family will be my enemy.”

But when the sins of nations resurface and karma takes form, even the strongest armies may not survive what’s coming…