Die Frage hierzu kann Dir am besten der Texhnolyze-Shrine beantworten :
Quick Summary:
Despair, violence, and disease torment the people on the 9th state, Lux. In the middle of Lux stands an obelisk, a monument to the government system.
A boy with a texhnolyzed right arm, Rekitsu, is boxing and living off the bet money. Close by, a girl, Ran, is looking toward the future. Together they try to save their land.
Texhnolyze is the future technology used in artificial limbs, connecting the Central Nervous System to the machinery, causing it to respond like a natural appendage. The drawback and benefit is that the texhnolyzed limbs fuse with the body and mind of the host...
http://www.csusm.edu/anime/texhnolyze/index.htm