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.
1967
1998
2000
2001
1971
1983
1994
2024
2023
2022
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2012
2010
2019
2017
2020
