A completely nude woman with a heart-shaped face, slightly upturned nose, tucked ears, wide mouth, pointed chin, medium-sized green eyes, medium dark brows, fair freckled skin, shoulder-length straight black hair, athletic slim build, modest perky breasts with small pale nipples and small pink areolae, tight athletic ass, fully shaved, toned runner legs, straddles a completely nude man in reverse cowgirl position — she is on top, head back, eyes closed, spread legs, breasts apart, vaginal opening visible, clitoris prominent, testicles visible beneath her, womans hands gripping mans legs to support herself while his hand rests on her upper arms, fingernails visible, lips slightly parted, navel centered, both in cinematic warm lighting, focused solo on the intimate moment, vaginal sex from behind, female pubic hair clearly defined, penis visible inserted in vagina, pubic hair detailed, natural lighting, shallow depth of field, candid realism, no background distractions.