Jack's Summer [slutwr1ter inspired] [AI illustrated]

czarny · June 07, 2024, 01:21:12 AM

Hi guys, just a little story inspired by slutwr1ter's work. Needless to say, it involves a people getting frisky with their family members, so if that's not your cup of tea, here's your warning.

Part 1: Enter the Dragon

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Jack trudged through the front door, his backpack hanging heavily from one shoulder. The house was quiet, a stark contrast to the noisy chaos of his school day. He quietly snuck through the hall, hoping not to alert anyone who could ruin his plan of spending the next five straight hours playing Baldur's Gate 3, and headed upstairs, straight to his room. It was the last week of school before the summer vacations, and he was looking forward to spending the next couple of months rotting away in his room.

Closing the door behind him with a sigh of relief, he kicked off his sneakers and plopped down into his computer desk chair. Ready to relax, he reached into his bag where an ice-cold can of pineapple Punster Zero energy drink and a large bag of Flaming Hot Quoritos lay waiting. He booted up the PC and just as he began to unwind, the door to his room flew open with a bang.

The Punster went flying out of his hand, and the sudden motion made him fall backward, cartwheeling out of his chair.

Only one creature on Earth could cause so much wanton chaos and destruction with its mere appearance... his older sister, Cassie.

She stormed into his room, stomping her feet, her face a mask of fury. Her braided hair bounced with each determined step, and her eyes were blazing with anger.

One year older than Jack, Cassie was, in many ways, his complete opposite. He was a bookish, dark-haired, and dark-eyed nerd with his video games and Melvins t-shirts. She, on the other hand, was a complete stereotypical jock—golden-haired and blue-eyed, airheaded, mean-spirited, and prodigiously talented in all sports known to humanity. Her room was adorned with golden trophies from countless athletic disciplines — track and field, gymnastics basketball, wrestling, soccer, volleyball, you name it—she had them all locked down. Colleges were jumping over one another to have her represent them in competitions since she was a junior, so she cruised through school with the casual disregard of someone whose bright future was written in stone.

Cassie, as usual, wasn't wearing much. She stood in the doorway, every inch of her rippling, muscular body dripping with sweat. Veins pumped under her tanned, almost see-through skin - not an ounce of fat marred her statuesque physique. When her gymnastics coach tried to politely point out that her obsessive weight training might make her too heavy and bulky, she had him fired - and then proceeded to win every tournament in the state.

The only thing greater than her competitive spirit was her narcissism. She had to be the prettiest, strongest, leanest, most muscular person in any room she entered, with awestruck onlookers fawning over her at all times. Her temper made it increasingly hard to share the home with her, but Jack had little choice - until Cassie went off to college after the summer, he had to endure his musclebound, self-obsessed monster of a sister.
"Where is it, Jack?" she demanded, her hands on her hips.

Jack blinked, taken aback by her sudden entrance. "Where's what?"

"My shaker bottle! The pink one with the flowers. I know you took it!"

Jack's confusion turned into indignation. "I didn't take your stupid shaker, Cassie. Why would I even want it?"

"Don't lie to me!" she shouted, her voice rising. "I left it on the kitchen counter this morning and now it's gone. You're the only one who would take it!"

Jack rolled his eyes and got up from the floor. "Seriously, Cassie, I don't have your shaker. Maybe you left it somewhere else."

Cassie narrowed her eyes, clearly not convinced. "Mom said you were the last one in the kitchen this morning. You probably took it to mess with me. You know I need it after my workout!"

Jack stood firm, facing her with his hands raised in frustration. "I swear, I didn't take it. Maybe it fell out of your bag when you left the Mean Girls convention or something."

Cassie looked like she was about to explode. Her monstrous thighs, her most strikingly overdeveloped body part, tensed, muscles dancing under her skin. Jack knew she was casually squatting 350 pounds for reps, because she wouldn't shut up about it. But then she took a deep breath and slowly smiled. "Fine, I guess I must've left it somewhere else."

With that, she turned on her heel. Watching her diamond hard calves flexing with each step, Jack let out a long breath and turned back to pick up his chair, shaking his head.

"Sisters," he muttered to himself. "Why do they always have to make everything so dramatic?"

And suddenly, the room spun, and he was flying.

He almost touched the ceiling of his room with his nose before mercifully landing on his bed. He came down hard, and the springs in his mattress groaned.

"What the..." He stammered, head spinning, and in a heartbeat, Cassie was upon him.

"You've gotten awfully mouthy, Jackie boy." Said his sister, jumping on top of him and pinning him down with her powerful body.

"Get.. off.. me..." He managed to squeak out, Cassie's knees firmly pressed against his chest as she held his wrists down.

"I will. As soon as I teach you a little lesson to remind you to be more respectful to your only sibling. Do you have any idea what these legs could do to you?" She forced his hands onto her rock hard thighs. "Feel them, Jack. The coach will have me wrestling the boys team soon, because she can no longer find any girls to take me on. Maybe I should get a little practice? After all, boys are so... strong." She punctuated her last word by painfully squeezing his hands.

"C-come on now, C-Cassie... Here, I'm sorry, are you happy now? C-can we talk this through like grown-ups?" Protested Jack. He once saw what Cassie did to the previous state wrestling champion, and he wasn't keen on being her test subject.

"Hmmm... No, Jack. I don't think we can." The blonde terror smiled devilishly and expertly maneuvered Jack's body off the bed, making him sit on the floor with his back to the mattress. Before he could protest any further, his sister's mammoth thighs clamped around his head and neck, engulfing them in a torrent of warm flesh. She locked her legs together at the ankles and started slowly squeezing as Jack clawed limply at his meaty prison.

"How do you like me now, Jack? This should teach you some manners..." He could hear her breathing quickening, and the heat coming off of her skin increased, almost searing his own. "Grrr... God, I feel so pumped!" She exclaimed and flexed her arms in a show of complete domination over her sibling. He smelled her sweat, his vision darkening as he fought to remain conscious.

Jack felt something stir deep inside him. Underneath the fear and adrenaline that pumped in his veins, there was something else... Some kind of foreign feeling, some deep longing... His frantic mind conjured up a single coherent thought:

He never wanted this to end.

With every passing moment in his sister's deadly embrace, he felt a raging inferno rising up in his loins. He felt himself stiffen by the second, his panic now no longer related to his impromptu wrestling match, but to his instinctive, primal reaction to being crushed by the muscular thighs of a beautiful girl.

"A-ha!" Exclaimed Cassie. "You did take my shaker, you little twerp, I can see it in your pants! You fucking perv, you put it there because you thought I wouldn't take it from you?" She released him from her steely grip, eyes fixated on a large shape visible against the inside of his thigh. His limp body hit the floor.

"C-Cassie... N-no..." He protested as his sister triumphantly reached down his trousers.

"Huh... It's stuck in there... It feels kinda..." She gripped the object and pulled with all her might, releasing it from its baggy prison.

Jack's manhood sprang out of his trousers like it was spring loaded. Cassie's jaw hit the floor as she realized what she took for her shaker bottle. Her brother's raging hardon rested in her hand, her delicate palm unable to fully grasp it. Jack's meat proudly stood at least twelve inches tall and she felt it pulsate rhythmically in her grip.

"What the fuck, Jack... You're hung like a horse!" She gasped, unable to take her eyes off of it. Jack, similarly shocked, a thousand thoughts racing through his head, opened his mouth to say something, but no words escaped the cold, hard ball that became lodged in his throat.

They sat there frozen for mere moments, but to Jack, it felt like an agonizing eternity.

Suddenly, a voice reached them, as if coming from another world.

"Children! What is going on up there?" They both recognized the concerned voice as belonging to their mother. The steps on the bottom of the stairs creaked as someone started making their way upstairs.

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