Sukeban Janshi Ryuuko
Main game
Sukeban Janshi Ryuuko is an adult arcade mahjong game for the Sega System 16A and 16B by Whiteboard released exclusively in Japan in 1989 (copyrighted in 1988). An evil group is trying to take over Japan. It's up to Ryuko to stop it by facing their members in strip mahjong.