Before the fall and before the trials of "the Titan's son" Kyklo, a young smith by the name of Angel Aaltonen grappled with the giants as only a craftsman could... The first of the three-part Before the Fall light novels, this prequel of prequels details the origins of the devices that humanity developed to take on the mysterious Titans.

Original title: Shingeki no Kyojin: Before the fall.