"Futon" "Corner of the desk" "Faucet" "Hat rack", etc. The brother, excited by the sight of his sister masturbating with these items, demands that she perform a 'soak entry' on him after she orgasms! Embarrassed and unable to refuse after being seen in such a compromising position, the sister reluctantly agrees. To her surprise, her vagina is incredibly wet... and he slips in unexpectedly! Even knowing it's wrong, the brother and sister are highly aroused by this taboo incestuous act!!
