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.
2023
2024
1975
—
1974
2000
1998
1989
1992
2005
2021
2020
2012
2013
2009
1996