AUTHOR'S NOTE: The reference to "Sixth Form", is from the british schooling system. It is equivalent to grade 12, and Ellie is a repeat, so is 19 in this story. The frequent americanisms make this confusing, so apologies on my behalf. Everyone in involved in the story is over 18.
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Ellie shielded her eyes as she climbed off the bus onto the farm. She was a highly attractive girl, definitely one of, if not the most attractive in her year. She stood at just 5'3" and had cute c cup tits and a firm ass. Her soft lips and cute tongue were designed for sucking cock, and her long brown hair was an ideal handle when she was being fucked from behind. Ellie was also a particularly ditzy girl, and many men had taken advantage of her naivety. A few had swindled their way into topless pictures using excuses such as "checking her for a rash" or making her "audition for the cheerleading team". A particularly bad one was a teacher spilling "pepper" onto his crotch and asking Ellie to "soothe him with her mouth", a task she eagerly obliged, not wanting to disappoint a teacher. Her intelligence (or lack of it) was the reason she was still in sixth form at 19. Her most recent bimbo moment had been believing the fake "dress code" letter pertaining to the upcoming school trip to the farm emailed to her by a group of boys. To stop animals biting at long clothes, everything worn had to be tight and short. Being a well-behaved girl Ellie had worn a white crop top that clung to her figure and her shortest tennis skirt. The downside was that she was showing a lot of cleavage and the skirt only fell an inch or two below her ass, but she decided it was worth it if it meant following the rules. Due to the heat bras had been discouraged, so Ellie had gone without. Despite the letter it had ended being rather cold, and Ellie's nipples spent the day poking through the thin fabric.
The majority of the day passed normally for Ellie. There were a lot of flies around, though Ellie didn't see any. She knew they were there because of all the boys that helpfully flicked and swatted them off. She had no idea the insects congregated on asses and tits so much. A few boys accidently dropped their pen lids down her shirt a few times as well. Not wanting them to lose their lids she'd offer to fish it out for them, but the boys always generously insisted on doing it themselves, sticking their hands into her cleavage and feeling around for it. It made Ellie happy that all of her male classmates were so kind and thoughtful.
Nearing the end if the day they reached the final attraction, the cow shed. They walked through the stables before going into a separate room. This one didn't have any cows in it, just a strange sort of harness in the centre. The group crowded into the room. Ellie had thought there'd been a lot of space but apparently not since a boy came right up behind, and pushed his crotch right into her butt! She thought about saying something, but the boys in the school were usually much smarter than she was, so she was sure he had a reason for it. Another door opened and a farmer walked in wearing overalls. He introduced himself as Farmer John and spoke to them about farming and cows for a bit before turning his attention to the harness.
"This is a prop we use to show visitors how cows are fed, milked, and bred," He explained, "Obviously it's unethical to use a real cow, so we're going to ask a human volunteer to hop on up into the straps. Any volunteers?"
One of the boys pushed Ellie forward.
"Ellie would love to help," He said loudly. A few of the other boys laughed.
Those boys and their practical jokes! Ellie put her hands meekly and went to disagree but Farmer John was already walking towards her.
"Excellent," He said. Working on the farm must have made him strong as he was able to pick Ellie right off the floor with ease and slide her into the harness. There was a belt on her tummy and chest, right under her titties, and four individual leg straps for each ankle and thigh, as well ones for her arms. Finally, one went under her neck to support her head. She was completely suspended above the ground, and as Farmer John tightened the straps, unable to move.
"Uhm, I think this is a bit much for me Farmer John," She finally spoke up.
"Ellie!" Her teacher, Mr Curtis, interrupted, "You've already volunteered and waited for Farmer John to put the harness on. If you embarrass this school by wasting his valuable time I'll have to take disciplinary action."
Ellie gulped. Last time Mr Curtis had taken disciplinary action against Ellie due to her being impolite (she hadn't smiled warmly enough at him) it had involved spanking. His fingers had slipped into her pussy a few times and it had resulted in a very rough fingering. He'd told her it was an accident, so she supposed it wasn't a big deal, but she didn't want a repeat.
"Sorry Sir," She replied, "I'll stay in the harness."
"That's a good girl," Farmer John said, patting her on the bottom, making her rock forward slightly. Farmer John kept his hand on Ellie's arse as he explained the first step, giving it light squeezes as he spoke.
"First, we'll be learning to milk the cow," He explained, "For this, it's important to have the udders exposed." With this, he pulled her crop down, exposing her braless tits. She gasped as her perky tits rolled out and hung beneath her, revealing her large dark areolas to the class. A few of the girls gasped, and Ellie saw a few boys taking photos, but she was sure this was to use as proof of the unprofessional behaviour later.
"Wow," Farmer John whistled, "These are some good udders, they look like they're full of delicious milk. In fact, I think we'll call you Milky."
"But my name is Ellie," she frowned.
"Your human name maybe, but whilst you're in these harnesses, you're Milky the cow."
"Stop being difficult, Milky," Mr Curtis called out to her.
"Sorry Sir," She hung her head.
"Now let's get a good squeeze of those udders," Farmer John said, reaching out and grabbing her right tit roughly.
She let out a squeal as the farmer kneaded it. The class watched intently and took notes as he explained proper procedure. Ellie was quite uncomfortable at this point but didn't want to upset Farmer John or Mr Curtis. He pinched her nipples a few times each, causing her to emit a high pitched squeal each time, before offering her udders to the rest of the class. The boys took turns practicing proper milking form on her swinging tits.
"Thanks for letting us practice," One boy beamed at her, giving her tit a particularly hard tug.
"No problem," she winced, as another boy gave her nipple a tight pinch.
"Farmer John," one of the boys spoke up, "There doesn't seem to be any milk coming out."
"That's because I'm not a cow," Ellie pouted.
"Be quiet Milky," Farmer John said, spanking her backside as punishment. She let out a small "ooh" of shock as she rocked back and forth slightly.
"Now guys," He began explaining to the group, "When the heifer isn't producing milk, it probably means she needs breeding."
Ellie didn't quite like the sound of that.
"Who would like to volunteer to be the bull in this simulation?" Farmer John asked the crowd.
All of the boys put their hands up and started clamouring to be chosen. Ellie didn't understand why they wanted to volunteer so badly, she wasn't having a very good time.
"Boys, don't be silly," Mr Curtis walked up to the, "I'm the teacher, I would be happy to help."
"Excellent Mr Curtis," Farmer John beamed, "I'm sure these boys can all have their turn afterwards. Come round here and we can start."
Ellie couldn't see the pair as they walked behind her but she could feel her skirt being flipped over her back.
"Come round here class," Farmer John called out, "You can tell by her soaked panties that this little cow is ready to be bred."
Ellie blushed furiously. She supposed she had gotten a little excited at all the poking and pinching. But it wasn't her fault! Her nipples were just so big and sensitive.
"Now let's gain access to the pussy," Farmer John announced.
She gasped as she felt the cold metal of scissors cut through her panties. Farmer John then ripped the damp material off of her pussy and butt and discarded it. She could feel the cool air on her bare pussy, making her sore nipples stand erect. She heard Mr Curtis unzip his trousers.
"Sir please I don't think I want to do this." She begged.
"Miss Russell we all paid good money for this trip. I think that all the boys here, myself included, who spent the $3 to come here deserve to at the very least get to experience breeding a heifer. Otherwise, we'll have wasted our money."
Ellie thought for a moment, she supposed $3 was a lot of money, and that getting to breed her would be worth at least a bit of that value, but she still wasn't sure.
"I don't know Sir," She replied, taking a stand for once.
"Sometimes the cow is unwilling," Father John explained to her teacher, "In these cases, it's important you take charge."
"Thank you, Farmer John," Mr Curtis pulling out his cock. Ellie opened her mouth to protest but before she could say anything, he grabbed her bare arse and pulled her backwards, sliding Ellie's glistening pussy right onto his rigid cock. She let out a loud gasp. Instead of thrusting into her, her teacher was using the harness to swing her back and forth on his dick, her cute ass cushioning her against his midriff. He let out a large groan as he swung her back and forth. His cock was large and thick, and almost hurt, but Ellie was very wet, despite her reservations and she moved easily on his now slippery dick.
