After an accident overseas, mild-mannered teen Akira Kaidō returns to Japan as a battle-type cyborg. Working with agent G.O., he tackles covert cases: brainwashing cram schools, drug-induced strength, ultrasonic killings under secret orders.
2001
2003
2015
1993
2002
1971
1974
2025
2011
2014
1996
2008
2016
2018
2022
2000
