“couples having oral sex” opens with a sun-kissed blonde on satin sheets, sunlight dancing across her bare skin. In “couples having oral sex” she spreads warmed oil over her breasts, nipples hardening under her palms. The camera in “couples having oral sex” worships every slick motion as she circles lower, parting her thighs for the lens. “couples having oral sex” records her fingers slipping inside, breath hitching, until she grabs a vibrating wand. The intensity of “couples having oral sex” peaks when she rides the toy to a screaming finish, legs trembling in pure ecstasy.