Poison gas / aphrodisiac

A young doctor in charge of a girl who contracted infectious diseases in Africa in 2003 and is isolated in Japan. He decides that she is short and performs a ventilatory experiment with poison gas to make her taste the highest pleasure. The girl who has not been able to breathe, and pushed to the limit becomes hard on pleasure and the doctor. The end is gangrene mad sex in the mad head with poisonous gas and aphrodisiac! Swallow from the bottom of the belly of the white beauty of the greatest beauty girl of this year.