Anime Tube - Ura Jutaijima - 01

A group of castaways has been stranded on an abandoned island where they have discovered a virus that causes afflicted people to be always aroused and will kill them if they do not consume sperm. The only other person on the island is the bullied student in their class. He has no choice except to have sex with Ai, who bullied him previously. Yumi binds Ai and has sex with him in front of Ai because she is jealous. Even Akira, who had been attempting to control her sexual desires, is enslaved by his sperm. Is it possible for this class of students to get off the island? ...