Based on the stage drama "Project YoRHa," YoRHA Boys recounts events that occurred before the time frame of Nier:Automata. Written by bestselling novelist Jun Eishima and supervised by Yoko Taro, this is the previously untold tale of the formation of YoRHa Experimental Unit M, the beginning of both "curse" and "punishment," of androids dreaming of the glory of mankind.