Forward to Armored Core: Another Answer

Kasumi Sumika, leader of anti-Corporation rebel group, Cortex, operates from a hidden base inside the jungles of South America. As their operation is compromised by GA (Global Armaments), a decision to stand against the tyrannical Corporations is made as an unlikely survivor of the Dismantlement War is chosen to wield the Armored Core NEXT in a bid for the cause of world reform.