An Arcade game "The Yakyu-Ken" was released by "New Jatre" in 1986.
A continuation was announced and made to part 29 by about once of pace half year mostly.
The game contents
First the opponent who fight by a game is chosen from the inside of 4 ladies.
A game is performed by "Jan-Ken".
When a player wins "the game of "Jan-Ken", a lady takes off one of her clothes.
A player and a lady have 5 points at the beginnings.
Game case
A large scase like this picture was working at a penny arcade most.
The MSX PC who can treat a laser disc(ex:PX-V60), control ROM cassette and the laser disc player are included in the game case.
It's possible to change to a new continuation by exchanging a laser disc and control ROM cassette.
The case to move in CD-i was also made after part24.
Emulator
It's possible to emulate the "The Yakyu-Ken" on the PC by combining MSX PC emulator corresponding to laser disc control (example :openMSX) and control ROM cassette image and movie data.