I want to make sure my son's big-breasted wife pregnant

My father-in-law hopes to see his grandson soon, but his important son is immobilized. In a frustrating situation, my stepfather, who is extremely sexually, gets an erection! To make it easier for her to get pregnant, my wife is given a breast massage under the guise of lymphatic massage. Her actions escalate, and she cums inside her in an attempt to seriously impregnate her son's wife! "The genes are the same anyway," and her wife, who has become soaked by the aphrodisiac, has sex with her continuously creampie! He grins at me, thinking that he can see his grandson now...