As the ever changing Mark sped down the road, Dave wiggled free from his seatbelt constraints. He struggled with the window, rolling it down to take in the night air. The smells of the city began to consume Dave and he sniffed the air wildly. The wind blowing across his face seemed to pull him toward the open window. With his eyes shut, Dave thrust his face out into the strong breeze, letting his tongue hang free.
"Get back in here!" demanded Mark in a much lower voice as he grabbed Dave by the leash and tugged him sternly back. Dave began to whimper and climbed onto the seat to sit on his haunches.
Mark began shifting uncomfortably in his now tighter clothes. In a flash, Dave leaned over and grabbed hold of Mark's shirt with his teeth causing Mark to swerve and nearly hit a young man crossing the road.
"Hey jerk...watch were you're driving!" yelled the young man as he slammed his fists onto the hood of Mark's car.
Mark scrambled from the car, pushing Dave back into his seat. "Stay!"
He flung himself toward the young man and grabbed him by the sleeve, spinning the young man around to face him.
"What's you name, punk?"
"J-Justin," stammered the wide-eyed guy.
Mark gazed into Justin's eyes and watched as the blue faded into a warm brown. "Don't you ever touch my car again...You understand?!"
"Yes sir," replied Justin as Mark grabbed him roughly by the shoulders and began forcing him to the ground. Dave leaned out of the car window and began barking excitedly at the commotion.
Mark released Justin momentarily to reprimand Dave and when he looked back he saw Justin on his hands and knees looking happily up at him. The T-shirt and jeans that Justin was wearing began to tear and fall away and his ample frame began to thin down and become more sleek and defined. Just as had happened with Dave a long black rubber dog tail grew from Justin's ass and he began wagging it excitedly.
Seeing another dogslave forming before his eyes, Mark's cock began to rise yet again. As a black leather collar formed around Justin's neck, he began sniffing and nuzzling Mark's groin. With a moan, Mark released his cock into the cool night air.
"Wanna bone to suck, pup?" asked Mark as he slapped Justin across his face with his huge hardon. Justin began lapping hungrily at the manhood presented to him. "Bad dog! I want you to beg for it first!" demanded Mark.
Justin looked shocked at first, and then his eyes glazed over a bit and he sat up with his hands in the air and began whimpering for a taste of Mark's bone.
"Good Boy," said Mark in a slow, deep voice as he presented himself back to Justin's waiting tongue. Justin slurped and sucked and licked intently as his rubber tail wagged with pleasure. As Justin worked over Mark's cock, another whimper drifted from the front seat of the car.
"Here Boy, Here Dave," called Mark to his first dogslave who was wanting in on the action too. Dave scrambled through the window and bounded over to his Master's feet...leash jangling behind him. "Time to let Dave have a turn, Justin," insisted Mark as he pulled Justin away by his collar, forcing him to sit. Dave jumped at the chance and began his turn licking Mark's throbbing bone. Dave was over come by the taste of his master's cock mixed with the taste of Justin's saliva and he backed of to let out a delighted howl. Justin lept at this chance to move back in and resume pleasing his master. Dave snapped angrily at Justin, leading both dogslaves to begin growling and baring their teeth at each other.
"Boys...Boys! Calm down." Mark began stroking both boys down their necks and across their backs until both were panting calmly. Mark reached up and pulled off the now tiny shirt from his hulking frame and sat down in the street between both of his dogslaves. He guided Justin toward his hairy chest and Justin began gently licking around his master's right nipple. Dave was guided toward the left nipple and soon both pups were again caressing Mark's body with their tongues and nuzzling their noses into his chest hair.
As the pups worked over Mark's body, Mark grabbed hold of his still engorged cock and began pumping with all his might. In his mind, Mark realized he had never been happier than at this moment, and just as he was about to blow his enormous load all over his two dogslaves he wished it could all stay this way. Mark's hand moved faster over his cock and cum erupted across Dave and Justin. Both froze for a moment and their eyes glazed over even more. The memories of their pasts seemed to disappear from their brains to be replaced with a thought that they had always been owned by this master.
Suddenly, a silver bone shaped tag formed on Justin's collar, emblazoned with the name "Bandit" and all of Mark's information. On Dave's tag, Dave's name faded away to be replaced with "Blaze". Both boys then looked up in their glazed state and began panting and wagging their tails happily.
"Good Boys," said Mark firmly. "Clean each other up." Blaze and Bandit turned to each other obediently and began licking their master's cum off each other's hard bodies. "OK pups. We should get home. Into the car." Both boys bounded back to the car and scuffled their way through the passenger window and into the back seat. Mark hopped behind the wheel still shirtless and the three of them sped off toward home.