With the help of Dr. Minovsky, Zeon develops a new weapon of war, a humanoid giant mechanized suit: the mobile suit. And they have developed the first-ever mobile suit: the YMS-05 "Zaku".

has descended to Earth as part of the remnant forces of the Principality of Zeon. He has also been given the mission of obtaining information on the Psycho Zaku. Fighting alongside his new ...