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.
2005
2006
1998
2014
2016
2003
2021
1996
2024
2023
2025
—
2020
