A century after the fall of humanity, a young orphan discovers a hidden truth about the Titans and the world beyond the walls. The story follows Kuze, an orphan raised in the slums, who dreams of joining the Survey Corps and fighting the monstrous Titans that threaten humanity's existence. However, his path is complicated by the rigid social structure and the secrets held by the military and nobility. Kuze must navigate a world where survival is a daily struggle and the true nature of the Titans and their origins remains shrouded in mystery, all while grappling with his own past and a mysterious connection to the Titans.

The manga is celebrated for its compelling prequel narrative, expanding the lore of the Attack on Titan universe in a way that enriches the original story. Readers appreciate the introduction of new characters and the exploration of a different era, offering a fresh perspective on the ongoing conflict. The action sequences are noted for their intensity, and the mystery surrounding the Titans' origins and the world's history keeps readers engaged. It is seen as a valuable addition for fans seeking deeper understanding of the Attack on Titan world.