All 12 episodes of the Japanese anime based on the manga by Haruhisa Nakata. After the war, a new sport called Metal Boxing is introduced to the inhabitants of Imperial City. Levius Cromwell (voice of Nobunaga Shimazaki) lost his family and his right arm during the war. With his new robotic arm, he becomes a boxer, fighting his way up through the ranks until he must face A.J. Langdon (Saori Hayami), a member of the Amethyst military corporation, but Levius is sure that she is the girl that he saw on the day the war came, the girl who was kidnapped by mechanical soldiers... The episodes are: 'All of the Impact Ends Up Here', 'Does It Seem Like the Boy Is Getting On Okay?', 'How in the World Did That Thing Pass As an Elbow Guard?', 'He... He's the Real Thing', 'Do I Look Like an Idiot Who Thinks About Losing Before a Fight?', 'She Called Out for My Help', 'We Met Before... Do You Remember?', 'These Young Geniuses... Are Enough to Make You Sick...', 'Can You Make the Deadline?', 'It's Me Who Wants to Give You That Thrashing', 'The Possibility of It Working Is Infinitely Close to Zero!' and 'It's Finer Than Usual Today'.