In 2014, a high school student named Natsume Ryo who hated machines took that step to change himself. However, he was killed by a truck. And then in 2030, in Tokyo Harbor, a police officer named Minami Uezono and her partner, the android Alma, infiltrate a trade site of an unknown weapon “EX-ARM.” They are attacked by an enemy equipped with “EX-ARM” No. 08. In order to break the deadlock, they forcibly activate “EX-ARM” No. 00 that they had stolen from the enemy…