Poker skill is all for entertainment, but not on the Fujiyama Mountain background. Kidnapped by a huge sea viper you are trapped on an isolated island with no one to help you. It`s not the serpent, don`t flatter yourself and think you`ll be eaten, strangled or somethink. The water monster is vegetarian. The only rescue hook is your poker skill `cause the Japanese snake-dragon is extremely hazardous. And that`s the real reason of the kidnapping.