A large lecture hall at the university, beautiful, busty, elderly 55-year-old woman with brown ponitail hair and glasses, female university professor explaining economics during a powerpoint presentation, lying on the table, legs wide apart, wearing an unbuttoned white blouse, no bra, large hanging breasts, skirt pulled up above the waist, no panties, open jacket revealing naked breasts, she is fucked by two clothed students, penises sticking out of her fly, one shoved his penis into the professor's mouth, the other inserted his penis into her pussy, (lecture:1.8), (students:1.8), view from afar, confusion on her face, eyes wide open, she is embarrassed, blush on her cheeks, a protruding vagina with a tuft of hair is visible, (long genital slit), (orange hairy pubic:1.9), (bunch of pubic hair:1.9), (plump naked labia:1.5), (deep genital slit:1.8), (wide-open vagina:1.9), convex pubis, (large saggy breasts:1.8), (apart legs:1.5), photorealistic full-length side view from afar, cinematic lighting, open back, red lipstick, unbuttoned fly, trousers, cock from fly, (side view from afar:1.5), (all models in full height:1.5), perfect faces for everyone, perfect mouth, big sexy mouth, perfect eyes, shiny eyes, perfect plump lips, perfect teeth, perfect hands, perfect fingers, 5 fingers, perfect legs