The sun was just beginning to peek over the horizon as Tim trudged out to the family's horse barn, his shoulders slumped under the weight of his responsibilities. As the 16-year-old brother, he was often tasked with menial chores around the house, but none were as tedious as grooming the horses.
But as he entered the barn, he was greeted with a sight that made his heart race. His 18-year-old sister, Sarah, was standing in one of the stalls, her back to him. She was murmuring something in a low, sultry voice, her hands buried in the horse's mane.
Tim's eyes widened as he realized what was happening. Sarah was talking to the horse...in a flirtatious manner. And as he peered closer, he saw something that made his blood run cold.
Sarah had a horse cock in her mouth.
Tim's mind reeled. He had always known that Sarah was...experimental, to say the least. But this was something else entirely. He felt a strange mix of shock and intrigue as he watched his sister pleasuring the horse.
But his reverie was short-lived. Sarah suddenly turned around, her eyes narrowing as she caught Tim spying on her.
"Well, well, well," she purred, a wicked smile playing on her lips. "Looks like we have a peeping tom on our hands."
Tim's face burned as he tried to deny it, but Sarah saw right through him. She stood up, wiping her mouth with the back of her hand.
"You know, Timmy," she said, her voice dripping with sarcasm. "You might learn something if you join me."
Tim hesitated, his mind racing. He knew he should leave, but there was something about Sarah's confident, seductive demeanor that made him want to stay.
Finally, he gave in, approaching Sarah and the horse. She grinned, handing him a brush.
"Alright, little brother," she said, her voice taking on a teasing tone. "Let's see if you can handle this."
Tim's hands shook as he took the brush, his mind still reeling from what he had just seen. Sarah watched him for a moment, her eyes twinkling with amusement.
"You're awfully tense, Timmy," she said, her voice becoming more suggestive. "Maybe I can help you relax."
Tim's heart pounded as Sarah moved closer, her body brushing against his. He could feel her breath on his neck, her lips barely inches from his ear.
"You know, I've always thought you were cute," she whispered, her voice low and sultry. "Maybe we should have some fun together."
Tim's mind went blank as Sarah's teasing became more and more suggestive. He could feel himself getting hard, his body betraying him despite his best efforts.
Sarah noticed, her grin growing wider.
"Looks like someone's excited," she purred, her hand brushing against Tim's crotch.
Tim couldn't take it anymore. He lunged at Sarah, kissing her passionately. The horse cock was forgotten as the siblings gave in to their desires, their bodies entwined in a heated embrace.
Sarah's control was absolute, her sexuality overwhelming Tim as they explored each other's bodies. It was a moment of pure, unadulterated pleasure, a moment that Tim would never forget.
And as they lay together in the hay, their breaths mingling in the early morning air, Tim knew that he would never look at his sister the same way again.
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