Breakdown (1975)

Girl with short brown hair and a slim build is bent over the couch, ass completely bare, getting pounded from behind. The guy on top has dark brown hair, a watch on his wrist, and a solid build — you see him thrust hard in wide shots both on the couch and later on a bed. Lighting is dim throughout, but the camera stays wide, keeping both bodies fully in frame during the entire scene. There’s a moment early where another guy shows up — also in his 20s, brown hair, partially hidden — standing in what looks like a confrontation, adding some real tension. The sex is rough and mostly in doggy style, with no cuts, just continuous grinding and deep strokes. You get clear views of her back, ass, and how she’s pushed forward with each thrust — minimal face shots, all about the body and the motion.