In a world where one's worth is dictated by their occupation, Hitoshi awakens to the class of “Thief”—a designation deemed dangerous and unworthy by society. Labeled a “harmful designated class,” he is relentlessly hunted and shunned.
Just as despair threatens to consume him, Hitoshi is rescued by Aoi, the enigmatic leader of Shinobi Street—a hidden town that shelters those cast aside by the world. There, among fellow outcasts, he finds peace and friendship for the first time.
But the peace doesn’t last.
Shinobi Street is suddenly attacked by a mysterious organization, and Hitoshi’s new friends are slaughtered before his eyes. Powerless to stop the bloodshed, something within him snaps—and his dormant ability awakens. He gains a terrifying power: the skill to steal the abilities of the dead.
Armed with the skills of his fallen comrades and burning with vengeance, Hitoshi sets out to uncover the truth and bring justice to the one who destroyed everything he had left.