From the perspective of a man lying down, a woman faces him, straddling his penis in a cowgirl position. The woman is wearing a two-piece swimsuit (the bottoms are pushed to the side of her vulva). Use a cinematic-style composition with balanced lighting. The scene takes place on the deck of a yacht. It's a beautiful summer day. Both figures are in the shade. she's having a big smile, Compose the image from a low angle, viewed slightly from below with a dynamic composition.