The hyper city of Zero Luke was a peaceful world where humans and mecha coexisted. However, one day, the energy of a meteorite falling from space disrupts the function of the main computer Zero-in, which manages the urban area, and turns humanity against him in an attempt to manage it himself. Jurel, a member of the city garrison, stands alone to steal the data of the modified human plan from Zeroin and stop it. ［BAD END］