淫楽の供物

A former occult magazine editor, who had just been dumped by his lover, suddenly lost his memory after drinking at a gay bar in Shinjuku, and found himself lying on a on a sandy beach in a strange tropical island.
The island is called Shishia Island, a penal colony for homosexual felons in the Meiji era, and he is told that he is one of them.......
The villagers engage in perverted public sex and moan wherever they are. And they're all "married" to the lord of the island. Rumors of strange apparitions whispered on the island.