A group of castaways have found themselves on an abandoned island where a virus that makes those infected constantly aroused and will kill those who are infected if they dont ingest semen. The only guy on this island is the guy who was bullied in their class. Ai who bullied him now has no choice but to have sex with him. Jealous, Yumi binds Ai and has sex with him in front of Ai. Even Akira who tried to suppress her sexual urges becomes captive to his semen. Can this group of students actually escape from this island?