Jessica is a promising running off gambler in the future, girl who is winning fame in gambling kingdom. She gained victory while traveling when she challenged every gamble. The reason why she who is young runs around the world all alone. To grip existence of mother Miria. Though Jessica's mother was a gambler of the five-star, when she was young it went missing.

One day, a letter has been sent to her from somewhere. To that letter, if you want to know the whereabouts of mother board the gamble passenger ship Arukobare no gou, Tournament of gambling "Jokatore-fortissimo" it was written that participate. Is the lie? Is it truth? The thing that Jessica toward the gamble passenger ship watched to check it, appearance of mother Miria that became ice figure. Who on earth invited it to the ship? Jessica that challenges a gamble to help mother though it doesn't understand. However the gamble carried out there far exceeds her imagination "Erotic gamble" many...!

The bet is ones body. The vagina the anus and the mouth, every possible hole to tease to serve obscene severe gambling, attacks her body.