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Boy turned into a bestiality fucktoy

Summary:

One horny afternoon 13 year old Peter ends up letting the family dog fuck his ass and his father, Jack, catches the two of them in the act. Things snowball from there and young Peter is turned into a sissy buttslut.

Notes:

All sorts of extremely perverse stuff is happening in this story. Not for the faint of heart.

Work Text:

13 year old Peter was home alone after school. His parents wouldn't be back from work for at least another 2 hours, and his younger sister was with their grandparents.

Peter discovered the wonders of porn recently and was thrilled to be alone at the house. It gave him the opportunity to go through his mother’s drawers, checking out her sexy lingerie and trying to find something naughty.

As he watched more and more porn every day he got curious about anal play so he fingered his asshole in the shower every day. By now he could easily fit two fingers inside and he was looking around the house for something that he could use as a small dildo to stick up his ass. He couldn’t describe why he had that urge, but every time he got horny he wanted something to stretch his little butthole.

Being particularly horny today, he was getting desperate so when he saw Max, their 3 year old German Shepard, walk into his room, he had the wildest idea.

Peter called Max over and tried to get him to lick his balls and cock, but it seemed that Max was more interested in his anus as his tongue kept flicking over it, slightly spreading it with every strong lick.

Peter was incredibly horny. He never had his cock or ass licked before so he was in pure ecstasy as he got on all fours and stuck his butt in the air, spreading his buttcheeks with his hands so Max could have full access to his butthole.

He heard the dog panting faster and realized that he was getting excited too. He saw Max’s cock erect a few times before and he would sometimes hump pillows in the living room, but until now he never thought about the dog in any other way other than “a silly animal”.

Now he noticed the size and shape of Max’s cock, precum dripping from it. It made Peter’s head spin. That thing would slide inside his ass so nicely, he thought as he stared at it.

Suddenly the dog jumped on the boy’s back and started moving his hips, poking Peter’s buttcheeks with his hard cock.

Peter couldn’t think straight. His mind was racing. Is he really going to let the dog do this?! It’s crazy! He needs to get the dog off him right away!

Before he decided what to do he felt the tip of the dog’s cock poke in the right place, penetrating his ass a little. But the dog was impatient and he missed.

Feeling that cock enter his ass ever so slightly was enough for Peter to make up his mind. He wanted that doggy cock inside him. He did his best doggy pose to help Max aim at the right spot, and after several minutes of trying and touching the dog’s cock to get him even more excited, Max finally hit the bullseye.

That weirdly red, weirdly shaped animal cock slammed inside the young teenager’s asshole in one strong move and it made him wince in pain. But as Max started pumping the pain went away and Peter was loving it. His fingers were nothing compared to this feeling of fullness inside his ass.

“Fuck me, boy!”, Peter moaned, urging Max to keep it up.

Peter’s prostate was getting its first massage by the dog’s swollen cock and he felt like he would pee and cum at any moment. It was an amazing feeling.

The German shepherd picked up the pace and started going for it full speed. Peter thought he might pass out from pleasure. He never experienced the prostate pleasures before and could barely even think straight, all he knew was that he felt amazing.

“Oh my God!!!!”, He moaned loudly as he started orgasming, cum flowing out from his little cock and at the same moment he felt warmth inside his ass.

Max was cumming inside of him, spurting huge amounts of hot puppy seed, making Peter’s orgasm feel even better.

 

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Several minutes have passed since the dog and the boy came simultaneously and Peter was now ready for Max to get off him. He had to clean up the mess and take a shower before his parents came home.

But when he tried getting the dog off himself, his cock seemed to still be firmly stuck inside. Peter was confused. When Max finally hit the spot, his cock slipped inside relatively easily, so why was it not coming out as easily now?, Peter wondered.

As a couple of minutes passed with the dog still on top of him and his cock seemingly not getting any smaller, Peter was starting to get worried.

Then, Max started moving his hips again. The dog regained his stamina and was ready for more. Peter was desperate to stop him, he was still exhausted from the orgasm and his asshole was sore from having that big thing inside for almost 20 minutes, but there was not much he could do.

As Max was fucking him again, making him dizzy, Peter was hoping that if the dog cums again and empties his balls inside of him completely, it would help the dog lose his erection and his ass would finally be cock-free.

The dog exploded inside Peter’s asshole again, and he had another orgasm from getting his prostate massaged. He could take no more and was praying that Max would finally get off him.

He completely lost track of time. His head was spinning and he was do disoriented from the merciless fucking he was subjected to that he wasn’t sure how much time has passed.

When his bedroom door started opening he was hoping that it was all a dream and that he would wake up any second now. But instead of waking up, Peter watched his father walk inside his room and find his son on all fours with the family dog on top of him, his huge knot buried inside his asshole.

 

 

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Peter’s father, Jack, was a 40 year old lawyer, and he always had a trap fetish, although he never had the chance to actually fulfil that fantasy and the only way he satisfied that fetish was by watching shemale porn.

When his father caught him with the dog, Peter was trying to think what he might do or say, and what his punishment would be, but he would never guess what Jack actually had in mind at that moment.

Jack made sure to have plenty of time alone with his son at home from then on. Peter was made to fuck Max daily and soon he was so used to having that doggy cock inside his butt that he daydreamed about it at school every day.

Jack also made Peter wear a long wig and some cute outfits that he got for him, to make him look like a girl while Max fucked him. Jack took pictures and jerked off as he watched.

The three of them started going on short trips and hikes. Of course, Jack only had one thing in mind when he took his son and dog on those outings.

Peter got fucked by Max in the middle of a secluded part of the woods or fields in the tall grass. He was addicted to getting his ass fucked and wondered what it would be like to have a human cock inside for a change.

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Instead of a human cock, his father came home with another dog one day. It was a huge Great Dane called Finn and Jack explained that Finn was his colleague's dog and would be staying with them for two weeks, while the colleague was on a business trip.

Now Max had two dogs fucking him every day and it was almost too much for him to take, but he was determined to take all the punishment those dog cocks were putting his asshole through.

Finn was absolutely huge and dominant. He slammed inside the boy’s anus with such force that Peter was concerned that his asshole might be left permanently gaping after those two weeks of merciless fucking.

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For his 14th birthday, Peter was given a large buttplug by his father and he had to wear it at all times. His asshole was getting non-stop training and it was transforming into a beautifully shaped sex toy for dog cocks.

Jack still hasn’t touched Peter, except when he sometimes had to help the dog find the right spot. Peter was wondering why, and after months of having his dad only watch, he concluded that his dad wasn’t interested in fucking boys, he was just getting turned on from watching bestiality. Or maybe it was because he was his son…

At home, Peter had to put a remote controlled electric prostate massager inside his asshole and Jack had an app on his phone to control the vibrations. Peter would feel his prostate getting tickled during family dinners, while he was talking to his mother or when he’d have his friends over and was trying to hang out with them. His father loved making him twitch from pleasure in those situations.

Whenever the two of them (and Max) were home alone Peter had to wear cute girly outfits. If he wanted to play a videogame he had to sit on a huge dildo and ride it the whole time he played.

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THE TRIP


Being a lawyer, Jack met all sorts of people, so he had all sorts of ways to get whatever he needed, however strange the request was.

Peter had his suspicions when his father told him he was taking him on a trip to a large family property in the country, owned by one of Jack’s rich clients. He said he would teach him how to ride a horse, fish, shoot, etc. Peter’s mother approved of the idea and trusted her husband to be careful while teaching their son all that stuff.

Soon after they got there it became obvious to Peter that his father’s friend, 55 year old rich business man called Tom, was in on the idea of molesting him and using him as a fuck toy. Peter expected more dogs and maybe even his father and mr. Tom fucking him, but it turned out they had much more perverted plans for the 14 year old trap.

To start, he had to put on a slutty ladies outfit, which was extremely embarrassing. His dad was the only person who saw him wearing girl’s clothes before that trip, and now there were all these people here seeing him wear the sluttiest outfits.

It was a big estate with a huge main house and multiple guest houses around it. House maids were all wearing sexy french maid outfits, some young girls that couldn’t be older than 16 were always at the pool wearing tiny bikinis, and all kinds of guests kept coming and going from the guest houses.

“This guy is famous in rich circles for having the best and most depraved sex parties. I was invited a long time ago, but I knew your mother would divorce me if I brought her here. She’s such a prude.”
Jack laughed as he told this to Peter when they were alone. He was looking at one of the young girls by the pool as he said that.

Peter realized that not all of them were really girls, some of them had cocks tucked inside their small bikinis. It was the same with the sexy french maids.

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It turned out that Peter and Jack were the only ones who were here for the first time, so it was decided that they would be the stars of the show that first night. Peter had a slight panic attack when he heard that. He was wondering what they would have him do in front of all those people.

First, Tom led them to the stables. He had all sorts of animals, big and small. As soon as they stepped in, Peter heard some noises, he wasn’t sure if they were animal or human noises. It turned out that there was both.

He saw two young girls strapped in the pig pen. They were left completely to mercy of those big, muddy beasts who jumped on them and fucked them whenever they felt like it.

Tom was looking into the pig pen with a big smile on his face. “How do you like this?!”, He said with pride.

“Very interesting!”, Jack replied, laughing.

Peter stood there speechless in his slutty outfit that they prepared for him, barely walking through the uneven stable floor in the ridiculously high heels that he had to wear. He never even saw what a pig's cock looked like before. It was so weird!, he thought now as he observed one of them climbing on top of the younger girl, making her moan and wail as the pig's twirly cock entered her and the animal started fucking her.

“That one is my daughter!”, Tom said, full of pride. “She’s in training here for a couple of days. She failed to satisfy one of my favourite guests so I decided that it was best to have her get some good practice here!”

Jack looked at him, trying to figure out if Tom was serious. Tom showed no sign of joking.

“Haha, don’t look at me like that. Your son over there looks like a well trained little slut, so I know we understand each other!” Tom said with a smirk and continued. “Chloé is only 12 so this will be a valuable lesson to her.”

“See you tomorrow sweety, enjoy yourself.”, He said to his daughter who was getting mercilessly railed by that pig.

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“Everyone has their own fetishes, we don’t judge anyone here and strive to cater to the wishes of all of our guests.” Tom said as they passed by the middle aged man who seemed to be enjoying himself as he fucked a young mare.

There was a group of women gathered around one particularly big horse.

“Horses are a very popular fantasy for our lady guests, especially this one. His name is Thunder. He is my best stallion!” Tom continued their tour.

“But we have to be careful, Thunder could split these ladies in half if he slammed that monster cock without any restrictions.” Tom laughed.

Jack and Peter watched a woman get into position inside a custom made mount which made it safe for women to have the horse fuck them, since it stopped the stallion from going all the way inside their cunts.

The woman screamed with pain and pleasure as Thunder started fucking her and Tom moved along. Jack and Peter followed.

“Sucking horse cocks is always popular.” Tom said as he pointed at the two women who were enjoying themselves with one horse, jerking his big cock, licking it and giving their best to fit the horse's cock head inside their mouths.

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In the next few pens were 5 women tied on leashes, wearing restrictive outfits on all fours. They seemed to be there for free use for dogs. They were all ignored by all of the dogs when Peter and his father passed by them, but when Peter looked in their direction again several minutes later two of them were getting fucked by large hounds.

In the next pen, two men were helping a donkey mount a sexy young shemale. Peter was shocked by the size of the length of the donkey’s cock but the she-girl took it inside almost to the hilt with minimum fuss. The two men made her suck their cocks as the donkey fucked her ass.

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After all he saw that day, Peter was barely surprised when he saw a small girl getting fucked by a rottweiler in the next pen. Next to her, a woman in her thirties was also fucked by a dog, a huge Mastiff. Two men were in there with them, enjoying the view and taking pictures.

“Isn’t it wonderful? A mother teaching her daughter all of the tricks…” Tom joked as he explained that the four of them were a French family visiting for the second time. One man was the girl’s father, and the other was her grandfather from her mother’s side.

Peter wanted to stay and watch a little longer, but there was more to see, and then it would be his turn to be the star of tonight's show, so Jack took him by the arm and they followed Tom who had already moved along.

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“Whoa! You really have everything…”, Jack said when he looked inside the room closed with a big glass panel.

Several men and women were in there, most of them gathered around one woman who was the centre of attention right now. She and another woman were holding a big snake and were pushing the slithering creature inside the woman’s big cunt.

Peter thought it was the craziest thing he saw so far. Snakes would be the last thing he would think of as “sexy” and he was eager to move on, but his father was intrigued so they stayed and watched the show for a few minutes. The snake was slowly pushed inside that lady’s vagina all the way and only her head was left sticking out, her tongue slowly flicking. It seemed that the snake didn’t mind being in there at all.

“Freaky stuff!” Jack said with amusement and it made their host laugh.

“Like I said - all kinds of crazy fetishes. And we welcome them all!!” Tom replied.

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By the time they reached the end of this part of the stables they saw two men getting fucked by horses, 5 teenage girls strapped to a mount with their asses in the air and around 10 men were molesting them in all kinds of ways. They were pumping the girls’ cunts and assholes full of horse and dog cum, leading dogs and pigs over to fuck them, attaching milk pumps on their tits, etc. They were treating them like sextoys.

“I guess I don’t have to tell you that some of these lovely girls and men are daughters and fathers. Absolutely wonderful to watch, isn’t it?!”, Tom said, obviously proud of the estate he was running.

Jack nodded while watching those sweet teenage girls having their young bodies tortured and molested.

******************************
Finally, it was time for today’s main event. It was a custom that those who are first time visitors have to do something new, something they haven’t done before. Large group of people always gathered when such an event was about to take place.

Tom knew from talking with Jack that Jack never fucked his son, so he insisted on it. Jack was quite nervous too, just like Peter who didn’t even know what was about to happen.

Tom had a small stage in the large backyard for such occasions. He climbed on the stage and announced:
“My dear guests, ladies and gentlemen, tonight we have newcomers, so please welcome them with an applause.”

There were around 40 people by Jack’s estimate watching him and his cute, trap son climbing up the couple of stairs onto the stage.

“Of course, as is tradition, the main event, all of the gathered guests will have the opportunity to get a taste of our new starlet.” Tom said, pointing at Peter, making the boy give him a shocked look. There was no way to know what to expect.

“As I understand, lovely Peter never had his fathers cock in his ass before. So, ladies and gentleman, we will be witnessing a very special moment here!” Tom finished his announcement.

Jack was rarely nervous, but fucking his son in front of all these people was not an everyday thing. He took his pants off quickly and Peter got on all fours in front of him, exposing his nice ass to his father. After all the dog cock he endured, taking one more cock seemed nothing to Peter. If it weren’t for the fact that it was his father who was behind him, he wouldn’t feel nervous at all at that moment, he felt.

Women in the crowd seemed to enjoy the scene, yelling and hollering as Jack got closer to Peter, cheering him on to start fucking his son. But there was a problem. Being nervous, Jack couldn’t hold an erection. He jerked his cock nervously, trying to make it grow, but no luck. He was embarrassed and the longer he tried the less chance of success there seemed to be.

“No worries, my friends, Jack just isn’t used to this kind of a setting.” Tom walked back up on the stage to the rescue.

“Jack trained his lovely son to fuck dogs more than men. So I think it might be a good idea to start with that.” Tom said and two men were already leading two big, horny dogs up on the stage.

As soon as the men let the dogs off their leashes, one of them was on top of Peter and poking his cock at his buttcheeks. Peter had so much experience with getting fucked by dogs by that point that he knew exactly how to position himself to make it easier for the dog to hit the bullseye and in a couple of more attempts he had the big canine cock buried inside his asshole.

“Lovely! Lovely!” Tom said, watching the scene. “Your son is a wonderful little slut!” He said to Jack with a grin and Jack smiled back, nodding his head.

“And I noticed how you looked at some of our young ladies before.” Tom continued. “So how about we bring one of them up here too to help you with that little problem.” Tom pointed at Jack’s still flaccid cock.

One woman took a young girl that seemed to be around 12 by the arm and led her up on the stage.

“Nice to meet you, Jack.” The woman introduced herself. “I’m Susan, and this here is my lovely daughter, Kelly. Please, don’t hesitate to use the little slut.”, Susan said, giving her daughter a spank.

The girl was wearing a tiny top and a very short, sexy skirt. Without a word, the 12 year old got down on her knees and went straight for Jack’s cock. Before he had the time to say anything she was already sucking on his soft cock with her butt sticking up in the air and Jack’s hands instinctively went to it. He felt the small base of a buttplug in the girl’s ass and couldn’t believe his luck.

His penis was growing fast in this pretty little minx’s mouth and as he watched Peter getting his ass railed by that big dog he was soon hard as a rock and knew that it was time to finally do the deed.

Loud cheers could be heard all across the backyard as he entered his son’s asshole and started slamming his cock inside. Peter was sucking the dog’s cock while his father fucked him and as the cameras flashed all around them as the other guests took pictures to preserve this special occasion.

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The next day, Tom informed them that after their initiation it was time for the other guests to have a taste of the new starlet. Of course, he meant Peter. He was the topic of many conversations this morning and plenty of guests couldn’t wait to get their hands on him.

“There is already a waiting list, hahaha.”, Tom said.

“A waiting list?”, Peter asked. He was wearing a cute schoolgirl outfit today with a sexy pair of white stockings.

“Here they are. They are the first on the list.” Tom said as a group of 3 big black men approached them.

Peter was taken by the arm by one of them and he had no choice than to go with them. Jack was sure that he wasn’t given a choice anymore and couldn’t stop whatever would be happening from here on, even if he wanted to. They told him that he could follow and watch if he wanted to, and of course he followed.

A few minutes later they arrived at by the pool and the black men took turns fucking Peter and making him suck their cocks. He learned by force that day what it means to deepthroat, and it seemed that he had a talent for it. There were plenty of other guests around who enjoyed the view along with Jack who mingled and proudly confirmed that that was indeed his son over there getting his brains fucked by these huge men.

Later that day, Peter was led to the stables where he took his first horse cock. First one smaller one, and then that huge stallion named Thunder rammed his asshole. Peter screamed while Thunder fucked him, begging to take a break, but the group of men and women that led him there held him in place and led other horses to fuck him while Thunder took a break. They wouldn’t give him a break from being fucked by a horse for 2 hours. He was so full of horse cum that it was gushing out.

When all of the horses finally emptied their balls and none of them had any more stamina to mount Peter they finally let him go and he waddled to his room to finally clean himself and collapsed on the bed, with horse cum still pouring out from his ass.

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The next day he was made to fuck more dogs that he could count, most pigs in the stables and then they hooked him up on a dildo machine that was fucking his ass with a huge dildo non-stop. His cock was hanging freely and as people walked by they would play with it for a while.

One older man, who was probably over 70, laid under him and sucked Peter’s cute cock for almost an hour, making him cum three times. That dildo machine kept fucking him, torturing his asshole and prostate until he could barely stay conscious from the stimulus overload.

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Peter was addicted to doing the most perverse things. He had people stuff that big snake inside his ass. He fucked that old man in the ass, making grandpa squeal like a bitch. He fucked 10 year old boys and girls while their parents watched. He rimmed the asses of those black men. He let Tom use his mouth as a cum dumpster. Jack watched his cute sissy son do it all…

One day Peter lured an 11 year old boy, who hasn’t even lost his anal virginity yet, to dog fucking mounts in the stables, strapped him to it and gagged his mouth, and then watched as the animals took the young boy’s ass. The boy ran to his parents in tears and told them about what Peter put him through. He was punished for being a tattletale. His father fucked his asshole on the spot, spanking him until both of his cheeks were glowing red. After 5 days, that boy was a trained little trap, ready to present his ass to anyone who asked.

After being fucked by horses for two weeks every day, by the end of their little trip, Peter’s asshole was left constantly gaping almost 2 inches. His sphincter muscles were loosened beyond repair and a big buttplug was a necessity at all times. Peter loved it. He was turned into a fucktoy for men and animals alike.