"You have a gorgeous body fit for a beast."
Todd noticed the strange boy seemed to be eyeing his father up and down like something he wanted to eat. Although he didn't blame him (his father was a gorgeous specimen) it was still incredibly creepy.
Dean only looked at him with an odd look on his face. He rolled his eyes and nudged his son. "Let's move, Todd."
But as he tried to move forward, the strange kid kept blocking his path.
"Come on, kid," Dean said, now getting angry. "Stop horsing around."
Ty raised an eyebrow. "Horsing around? I'll show you horsing around..."
"Now look here," Dean started to say, dropping his bag. He stood tall now, trying to intiminate the kid with his large stature. He was at least 6'3 and 200 pounds, most of the weight due to muscle. "Get out of the way, before I force you out of the way."
He didn't like threatening a kid, but he often had experiences with men of all sorts like him. Men who would corner him in a alley outside the gym, compliment his looks and body, and then try to advantage of him. He was usually big and strong enough to ward them off, and he now felt like it was opportunity to show his son how to handle things such as this. His son, after all, would soon grow to be the big burly man he was one day as long as they kept working out. Sure, Todd was still a scrawny and weak kid, but so was he at his age. If a group of horny men ever wanted to have their way with him, now he would know what to do. Dean asserted his dominance proudly, but for some reason the kid's smile didn't fade. In fact, he looked like he admired the challenge from the older man.
"So powerful," the boy said starring at Dean. "You'll make a perfect stallion."
Before Dean could even process what the kid even meant, he felt something in his stomach knot. He grunted and then fell to his knees, groaning.
"Dad!" Todd said worried. He dropped his bag as well and dropped to his knees next to his father. His father seemed to take no notice though and kept grunting, his eyes shut in pain.
"I'll make this easier for you," Ty said and with a blink Dean's clothes were gone in a flash.
Dean instantly gasped and tried to cover himself in front of his son.
"What...how...??" he uttered.
Ty chuckled to himself as he admired the muscle god in front of him. A giant of a man, with gorgeous tan skin and thick legs and arms. Ty was hoping to see his cock, but the father covered his package with his hands, more to hide it from his son than the stranger. Todd, in turn, flushed in embarressment. He never saw his father naked before. He only saw him half naked whenever they swam or had a towel around his waist after showering. But here his father now was in full display, now able to see the rock hard abs he had gained through his training and rippling muscles. Todd almost couldn't look away, his father's body was more gorgeous than his imagined. Not that he constantly imagined what his father looked like naked. He just always wondered how those muscles formed after years of working out. He instantly tried to snap out of it and get the thoughts out of his head until his father groaned again.
Without thinking, Dean fell to the ground, his hands to the pavement and nothing covering his gentials anymore. Todd honestly didn't try to look, but it was so big and hard to miss. His father's cock must've been a stunning eight inches long and his balls the size of golf balls to match. Todds eyes widened at the mere sight of them. Masculinity seemed to ooze of the giant man now, turning on Todd more than he wanted it to. He didn't know why, but a giant symbol of manhood right next to him was almost more than he could bear. He always admired his father and looked up to him. Partly because he was the symbol of maleness to him. But now, here were the actual cock and balls that helped make him. They swung slowly in the air flaccid as his father grunted and groaned some more. Todd shut his eyes, and shook his head. His father was in pain, and here he was thinking about his cock???
"What are you doing to him???" Todd turned to the kid, who only watched with a sinister look on his face.
The kid didn't answer, but then Todd heard a yelp. He turned and then saw his father, his eyes wide in fear as he looked at his hands. They were reshaping, becoming almost inhumane. Todd, scared as well, instantly stood up and walked backwards, his eyes focused on his father. Dean panted and then watched in horror as his hands seemed to shape more and more into...hooves? Yes, horse hooves it looked like. Big things, bigger than his hands had been. He brought his hooves down, which struck the ground loudly, and stared as his skin began to tingle and he felt a soft layer of fur cover his forearms.
"What...what are you doing to me???" he uttered. He tried to stand up, and as he did, he noticed his whole body begin to tingle and thicken more. It felt as though his ribs were expanding and his legs were getting bigger. In fact, his whole body began to get bigger. Instead of his human 6'3 he began to enlargen to almost 7 feet tall. His skin now became like horse fur, a blonde chestnut. He was becoming a monster!
He stared at Dean, and felt rage pile into him.
"What are you doing to me, you shit???" he yelled now. He started to walk forward, but before he could he felt something behind him expand. He looked behind and saw his ass bubble bigger. His body curved in an odd way as his ass became more equine and soft rounded.
"Ughh!" Dean yelled in embarressment. In a weird sensation, this change was unlike the others. Instead of it feeling weird or painful, it felt almost good. Dean, to his surprise, almost felt his cock twitch to the growing sensation. "Gauugh!" he yelled. "Ughh...my ass!"
His asshole then rearranged to pucker out of his asscheeks to his humilation. He felt it twitch and pucker back and forth, and could feel his son's eye watching it. Todd really couldn't help it. It made itself known so easily. It grew much bigger and just stuck out like a sore thumb. The human shape then started to form into something less human though, and more horse like. It darkened and then settled almost pucked out, Todd could see it even twitching from far away. Then Todd gasped. He watched his father groan as a long thing started to expand above his asshole. Almost like a...
"What the fuck!" Dean yelled. He was growing a fucking tail! It grew almost a foot long and then turned black with hair. He had a legit horse tail! He then felt his feet started to go through the same treatment as his hands had, turning into hooves and his legs became like horses. It was now impossible to stand up, and also embarressing as his cock was out for everyone to see. He became now so big, it was almost impossible to stand up. His body was far too heavy. He dropped loudly onto the pavement with a THUD and looked back at his body, still swelling. He gasped at what had happened to his male figure, now turned into that of a large horse body. Only his gentials, head, and neck had remained. He turned to look at his son, now red in embarressment as his realized his son had watched his whole transformation. But humilation soon turned to concern and the need to protect his son from what was happening to him.
"Todd....RUN!!!"
Before he could utter another word though, he felt his neck start to lengthen and he groaned in pain. It lengthed and grew more powerful for a good twenty seconds and then suddenly the pain stopped and he felt mane atop his new large and powerful neck. He then felt his ears grow large and thicken at the tip like horse ears. They moved back and forth and Dean could see them from the corner of his eyes. No, not his face! He looked at Todd in terror. Why hadn't his son listened to him? Why hadn't his son run?
But Todd couldn't run. His legs were frozen in fear and fascination.
"No....stop!!!" Dean pleaded to the kid, who continued to look at his transformation with amusement. He didn't want to become a full horse. He had worked so hard for his human body and he had a kid to take care of!
Ty laughed. "I suppose you did suffer enough pain...so lets start with some pleasure."
Before Dean or Todd could ask, Dean felt something in his cock tingle. Todd looked in horror as his fathers cock started to lengthen and become more and more erect, now getting to be a full ten inches in length out of his foreskin. It was amazingly impressive to Todd. He had never seen a cock so big, not even on porn websites. It's purple head rose proudly out and it wiggled angirly. A small drop of precum slid out the slit, which is when Todd realized his father was becoming aroused. To Todd's own shame, he felt his own cock shiver with need.
Dean's eyes rolled back into his head with pleasure and then agony as he felt his balls now swell as well. What was once even large for human male standards became to grow bigger.
"Guhhh.....gagggghhh!!" Dean groaned, as his balls fell down lower and swelled bigger and bigger with seed until they became the size of grapefruits. Dean panted, his mind now going crazy with animal need. An animal need to mate and breed. He flexed out his new body and looked at it, almost in admiration. "Guugggg....so big...."
"Yes..." Ty nodded. "Become the beast you are Dean. Became the male you are for your son!"
Todd then heard his father scream as his cock thickened larger, now becoming inhuman. It grew past a human 10 inches and then lengthened from one foot to two! The width also getting bigger, the width of a milk jug. It now resembled a horse cock, but still very much human, which was worse for Todd. A big cock like that only make his mouth water. Todd watched as his fathers balls also grew as well. Dean shook his head, snorted, and then panted. When he opened his eyes, Todd saw something new in them. Something lustful, something animal now. Those gorgeous sky blue American eyes were gone and replaced with something beastly.
"Dad!" Todd uttered. His father paid no attention to him though. Instead his mouth opened, and he groaned again, a drop of drool hanging from his lips. He panted more and more loudly and didn't even seem to be looking or thinking straight.
"So big," he uttered. "So...strong....so.....HORNY!!!"
Dean threw back his head and screamed more as his face now was the last to reshape. His face moved outwards and his notstrils became huge. His hair became shorter until a small brush was on the top of his head and Todd watched as his teeth became longer. As Dean yelled, Todd noticed his voice becoming more and more lower. Almost inhuman now. It seemed like the effect of all the sperm in his balls were forcing him to go through late puberty.
"Guuggghhh....guggggg.....fuucckkk!!!! Ughhh......neiighhhhh....NEIGH!!!" Dean yelled with need until his face took one the last shape of a horse. A small white diamond patch of fur was ontop of his forehead and between his human eyes. He was now fully horse, except his blue eyes. Those were going fast soon though, to Todd's worry. With a blink, Dean's eyes became a strong jet black, the last parts of his humanity gone. Todd stood in horror at what his father had become. A large, gorgeous, powerful chestnut stallion, with muscles and an erect cock and heavy balls to match. The stallion stud shook with embending orgasm and Todd watched as it's cock reached towards the sky in desperation. He could see the stallions coconut sized balls tighten, the cum in them becoming too much. Then the gorgeous huge stallion, once his father, stood on his hind legs, now reaching up to eight feet high. He stretched his whole body out and threw his head back, as his hooves moved back and forth in the air and as the sun glistened on it's coat and its mane flew in the wind.
"NEEEIIIIIIGGGGGHHHHHHH!" The stallion screamed as his cock erupted with cum spilling into the air and then onto the ground, "NEEIIIIIGGGGHHHHH!!"
Todd's horse father whinned as he exorted his power and dominance over the land as spewed shot after shot of seed onto the ground, forced to orgasm as though his cock were like a hose. Almost frozen in time, this was his father now, a stallion of a animal.