[SW-967] Swapping couples! "Please fuck me in front of your husband and your wife." (Censored)

A sexless couple in a slump changes partners and has an exciting sex! A slutty couple proposes an exchange with a busty wife from the neighborhood and fucks her. While they are doing it, they call the husband to their house and spy on him - an exciting couple exchange sex is concluded. A husband who cheated with his boss's wife offers his wife to his boss and has an exchange sex with his wife in front of him, feeling embarrassed and excited.