Koichi is the Japanese middle-school descendant of a race of extraterrestrials who crash-landed on the Earth 5000 years ago. He has psychokinetic powers which uses to fight the evil Yomi who wants to gain dominance over the world.
1992
2010
2008
1988
1971
1997
1996
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1999
2004
1989
2001
1975
1964
2012
2017
2011
2024
