you realize that Duchess's scent is different from before. It is making you extremely horny and all you can think of is fucking her. You can feel the blood rushing to you sheath as your beat red cock starts to emerge. Your intelligence fights back against these urges but is quickly swept away by lust.
"Speak of the devil." says your master as you come up behind duchess and begin to lick her, readying her for entree. You hear Duchess yipping with pleasure as you lick, caught in her own sexual feelings. You back up and mount her clamping her sides with your fore legs. It takes three tries but your cock finds its mark and slips inside he moist clit. Instinct takes over let out howls of pleasure as hump the bitch. Obviously enjoying the show, the Great Dane man pulls his own cock out of his boxers and starts beating off to his two pets going at it. You know only pleasure as you thrust again and again in to the howling Duchess, how could you have not wanted this? How could you have thought it was wrong? Your bucking hips go faster and faster until you feel your self climax inside Duchess, howling loudly as cum flows out of you for a solid minute. The Great Dane man grunts as he comes at the time, his semen shoting into the air. you feel a knot inflate on your cock, locking you inside Duchess as the flow of cum finally stops.