Prompt

In the reverse cowgirl position, with wet hair flying wildly in the air from intense friction, she is on the verge of orgasm — her facial expression shows pure ecstasy, eyes half-closed, mouth slightly open in a gasp. One hand tangled in her own hair, the other firmly squeezing her large, firm, and perky breast. Highly detailed, realistic lighting, dynamic motion, erotic intensity, photorealistic style.