The dog thrust his big, blunt head out toward the woman on the couch, his nostrils flaring. He took one tentative step toward her. It was a new situation for the beast, and he was confused and uncertain – but lust shot through his hairy loins demandingly. He took another step. His haunches were lowered as if he were slinking up on an unsuspecting cat, or pussy, as the case might be. His bushy tail lashed behind him. The brute's balls were swollen so huge now that his hindlegs were bowed around the bloated bags and his enormous cock stood out parallel with the floor. His prick was long and thick and vibrant, and the slick red tip of his naked cockhead came sliding out from the hairy sheath.

The dog whined and yelped.

But Catherine was moaning and panting so loud that her blood was rushing through her ears. She failed to hear the warning sounds that rumbled from the dog's throat as he advanced.

She was at the very peak now, and clinging there, her coming sustained and repeated spasms shaking her lush body. Cuntjuice gushed out in a creamy tide. Her whole crotch was lathered with slime. The stuff flowed down her thighs and onto her ass and dripped from the edge of the couch. Her clit was detonating, setting off explosions deep within her fuckhole. The woman was going off like a machine gun, peak after peak ripping through her violently. Cuntjuice sprayed out in creamy spurts. The final spasm hit her and the woman cried out in pure carnal ecstasy. She slumped back along the couch, her eyes fluttering.

Her hands continued to move in her crotch as she made sure she had worked off every spasm and milked off every drop. A dreamy smile turned up her lips. She settled back comfortably, her legs spread apart and her cunt awash with the fluids of her climax. Wisps of vapor drifted from her creamy cunt.

Catherine had almost fainted in the aftermath of her dynamic coming. She sighed happily, eyes closed. She drew her hands away from her satisfied pussy. And, with those hands removed, and her legs spread apart, the woman's cunt was fully exposed – and available! How could Rex resist?