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.
1993
1994
2007
2014
2006
2003
2020
2005
1995
2000
1999
1996
1998
2023
2022
1997
2015
