They were completely alone, secluded within the ocean's depths, the growing darkness from the sun setting above the surface like a comforting blanket being wrapped around their entwined bodies. He broke the kiss as she extricated his erection from his shorts, stroking him languidly as his fingers worked inside her. He let out a muffled sound of pleasure, the water turning it into a trickle of bubbles that floated upward.<br/><br/>When it felt right, he removed his fingers from her pussy, turning her around and pressing his cock between her legs, sliding easily into her as he held her against him, her back to his front, the slow back and forth current of the water helping him seat himself fully inside her tight channel. He nibbled the back of her neck, the simple motion of them treading water making his length grind into her.<br/><br/>The freedom of movement in the water meant directions like up and down didn't matter as he began to pull her hips back onto him, bucking his own.