Texhnolyze

In a man-made underground society, descendants of a banished generation vie for control of the crumbling city of Lux. Ichise, an orphan turned prize fighter, loses a leg and an arm to satisfy an enraged fight promoter. On the brink of death he is taken in by a young woman doctor and used as a guinea pig for the next evolution of Texhnolyze. With his new limbs, Ichise is taken under the wing of Oonishi, a powerful leader of Organ, an organization with some hold on Lux. As Ichise is drawn deeper into a war for territorial control of the city, he learns of his possible future from the young girl …