Jokujima

There is an isolated island, famous for scuba diving. But, the island's been losing its population. The boss of the island decides to call a young man, Junichi. At first, he spends a lot of money to advertise that the island has beautiful dive spots, and it succeeds. His next plan is to make a sex island for rich people. They can have sex wherever they want on the island. He immediately begins to breed sex slaves....