When the alien Mimics invade, Keiji Kiriya is just one
of many recruits shoved into a suit of battle armor called a Jacket and sent out
to kill. Keiji dies on the battlefield, only to be reborn each morning to fight
and die again and again. On his 158th iteration, he gets a message from a
mysterious ally--the female soldier known as the Full Metal Bitch. Is she the
key to Keiji's escape or his final death?