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.
Koji Yada
コンピューター
Keiko Yamamoto
チー坊
Akira Kamiya
バビル2世（古見浩一）
Chikao Ohtsuka
ヨミ
Keiichi Noda
ロデム
Michiko Nomura
古見由美子
Tamaki Taura
恒ユキ
Shingo Kanemoto
恒太郎
