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.
1991
1996
2000
2001
2003
2020
2021
2013
2004
2007
1997
2006
1998
2002
