Mark quickly rushed past the unguarded receptionist area, his hormones on overdrive and gleefully make a break for the kennel room with only one thing in his mind. The scene he had just witnessed was so hot he could feel the blood rush back to his groin. And his dick harden once
Again in his jeans.
He busted through the doors them closing quickly behind him.
Thankfully the kennel room was devoid of any other staff, the room filled with cages on the left and right with a long tunnel leading outside straight ahead.
Mark just had to feel it!
He sniffed the air his new developing senses telling him where the nearest bitch in heat was.
He sprinted toward her cage, a gorgeous blond blended breed with a somewhat pointy nose, he opened the cage quickly and dove in headfirst begging to get to her rump she moved out of the cage and he followed her last few steps her stopping and arching up as much as a dog can toward his snout which tore into her cunt smelling and licking the juices, enveloping his sense he was in bliss chasing her around the room engorged in her cunt, he reached up with his still human hands and grabbed the scruff of her neck causing her to whimper, he noticed she was dripping clear vaginal fluid from her vulva so ready for him, he tore off his jeans which were hurting his cock anyway, and slowly worked his large mostly human penis into her, he grinded slowly and pushed inward her folds accepting him well, as he hilted her surprised at her depth. He huffed and latched his arms around her hips and humped wildly! Ramming her hard and fast he felt the changes accelerate, his back popped, his spine lengthened and he sprouted a tail. Ramming hard she whimpered which made him go harder. Feeling his bitch, breeding her, he then felt an odd bulging beginning at the base of his cock, it felt good! He excited you tried to get in in to by instinct, not fully knowing what it was but thinking it wouldn’t fit, still gookg to town he felt his climax coming soon and ramming harder, and harder still, his bitch taking all of it, suddenly there was an audible pop and he hilted her, struggling to pull out again he realized he couldn’t. Shocked he found he was attached at the base of his cock, he felt his orgasm reaching nearer, and nearer. He felt sperm slip out the tip of his dick then he fully unloaded in her, the best orgasm of his life, his claws sprouted and he fell onto his back his dick well attached, he could feel the rhythmic pulses of his member each one feeling great, accelerating his changes. His head was coming back to him just as it was fading long enough for him to slightly regret his predicament, just then the door bust open and in walks a staff member he had yet to recognize, he tried to explain himself, but all that came out was barks.
The lady stood watching the craziest scene she had ever seen in her life, a boy, obviously a boy, was becoming a dog in front of her eyes and was tied to one of their bitches, she had just escaped her boss the doc having sex with the receptionist them both becoming dogs also, she was troubled, confused and panicked. She screamed and hit the button to all the cages not realizing by doing that she had infected all of them, because of Bryan, whom roamed brushing up against all of them, also promptly choosing a bitch in heat and began fucking her just as the lady opened the door and sat all the dogs out, she ran to Bryan and tried to get him off her her vet instincts coming before she thought of getting infected just from this, realizing they were stuck and she was unable to separate them she glanced around before running out the door after the dogs for help