Mahjong Hisho-den: Naki no Ryu

Mahjong Hisho-den: Naki no Ryu is a Japanese mahjong-themed manga series written and illustrated by Junichi Nojo. It was serialized in Takeshobo's Bessatsu Kindai Mahjong between 1985 and 1990. It was adapted into a three episode original video animation (OVA) between 1988 and 1990.

It was also adapted into four video games, released between 1990 and 1995

Characters

 * Ryu
 * Takashi Ishikawa
 * Takeshi Kaito
 * Koichi Kawaji
 * Takeshi Kaito