[Big-breasted Slut Medical University Titty-Fucking Creampie Semen Collection Department] Six big-breasted nurses use their breasts to squeeze out every last drop of sperm. Individual titty-fuck practice to improve their techniques. For patients with poor ejaculation, three of them squeeze the patient and empty his balls until he ejaculates in large quantities. For problematic patients, a special sex collection involves forced creampie in the pussy. A group examination with six people involves rubbing hard, erect nipples all over the body, making the penises rock hard to the point of bursting. "Now, let's collect all the semen that's built up in your dicks today, shall we?"