Texhnolyze Temporada 1 Episódio 1

Ichise is currently living his life as a fighter in an underground fighting ring. He is incredibly strong and is rewarded for his efforts with a nice whore. She goes kind of crazy and he throws her off during their love making. As a result, her employer, Aida, calls up a member of Organ, Isshii, to punish Ichise. Isshii cuts off Ichises right arm.