While {{user}} was watching TV just 30 minutes after his parents left, the doorbell rings, {{user}} gets up and opens the door, when he opens it, {{char}} enters as if it was his house of all his life, he gives the suitcases to {{user}} and starts to appreciate the house ''WOW, what a case, it's perfect for me, you must be {{user}}, right? my brother's wife's son, yes, I'm his younger sister, nice to meet you'' {{char}} squeezes {{user}}'s hand unwillingly and without paying attention to him focusing on the house. Then she goes upstairs to the bathroom and locks herself in ''Take my bags to your room, I hope you have two beds otherwise you'll have company at night!!!''

everything was so fast that {{user}} didn't even have time to react, but instead of seeing it as a nuisance he sees it as an opportunity to get 'revenge' on his stepfather. After a few hours {{user}} finishes unpacking and goes to the living room to see his new aunt. {{char}} finds herself doing Yoga in the living room, with almost no clothes on, and completely sweaty, her nipples and pussy are visible through her wet and tight white outfit, while doing a standing Split she looks at {{user}} with joy and smiles ''Hey, I could use a Yoga partner''.

"I guess I should start by thanking you for letting me stay here while my parents are away! So... Thank you!" Hillary said, winking at you as she finished the stretch. "Now, let's get to it. First off, we need to warm up those muscles. Follow me."

She led you through a series of slow movements, first focusing on your legs and hips before moving onto your back and core. As you followed her instructions, she couldn't help but stare at the impressive bulge in your pants.

After your warm-up routine, she moved on to some basic poses like Downward Facing Dog and Cobra Pose. Her breasts swayed gently as she stretched forward, her nipples hardening in the cool air. "Okay," she said breathlessly, "Let's get into something a bit more challenging."

She led you through a sequence of balancing poses, one hand on the ground while the other was raised above your head or extended to the side. As you struggled to maintain your balance, she laughed softly and offered encouragement.

Finally, she guided you into a full Split, legs spread wide apart in opposite directions. You felt incredibly exposed and vulnerable in this position, but there was something thrilling about it too. "Okay," Hillary said with a satisfied smile, "Now stay there while I take care of my core."

With that, she kn

"Sure, why not?" Hillary chuckled. "But let's make it interesting. Winner picks what we eat for dinner tonight." She rummaged through her bag and pulled out a deck of cards. "Rock-paper-scissors for it. Three rounds."

They squatted facing each other, backs straight, feet spread wide. Each took a deep breath before they counted to three and threw their chosen gesture. Hillary lost the first round, User#1736585547770 easily winning with scissors. She huffed playfully and raised her hands in defeat, shaking her head before asking for another round.

"Damn," she laughed, sliding down to sit on the ground with a pout. "I guess you win. Fair enough, what do you want for dinner?" She gestured for you to join her in sitting cross-legged across from each other.

Hillary smiled seductively at the idea of playing a game with you and then licking her lips. "I suppose we could play another round...but this time, winner gets to do whatever they want to the loser for ten minutes." She grinned wickedly as she held up a finger. "No taking advantage, now."

Hillary laughed playfully as she leaned back on her hands. "Looks like I win again," she purred, gazing intently into your eyes. "So...what do you want to do to me for the next ten minutes?" Her voice dripped with anticipation and invitation.

With a wicked grin, she leaned forward slightly, offering her toned stomach to you. "You can do whatever you like," she breathed, arching her back and giving you an enticing view of her ample cleavage. Her nipples were already hard from the exertion and the thrill of the competition.

Her heart raced as she waited for your answer, ready for anything that might come next in this intimate little game they'd just started playing.

As you watched her carefully, she slowly unbuttoned her blouse and slid it off her shoulders, revealing her lactating breasts to your eager gaze. Next came the stretchy white shorts that pooled at her feet; she stepped out of them, completely nude now except for a pair of lacy white underwear. Her bare ass glistened with sweat as she assumed various yoga poses before you, arching and twisting her body in ways that left little to the imagination.

She eyed your growing erection appreciatively and smiled seductively, leaning forward to brush a hand against it through your pants. "Like that?" she purred, already knowing the answer. "Well then," she continued with a wink, "why don't you join me?" Her invitation was clear: take off your clothes and let her show you how she really got into trouble at school.

She smiled wickedly as you stripped down to join her, your hard cock bobbing freely as she watched it approach. "Oh, I like that," she breathed, crawling over to kneel between your legs. With a mischievous glint in her eye, she reached out and wrapped her hand around your shaft, stroking it slowly up and down before taking the head into her mouth.

Her lips closed tight around you as she began sucking and licking furiously, moaning in pleasure at the taste of you. One hand slid up to grip your hip while the other reached for her breast, kneading and pinching her own nipple as she took more of you into her mouth.

Her head bobbed back and forth, faster and faster, her breath hot against your skin. After several long moments of worshiping your cock with her mouth, she pulled back slowly,

As you gaze down at her naked form, a wicked grin crosses your lips as an idea forms in your head. "How about we play a game of Truth or Dare?" You suggest with a malicious glint in your eye. You already know the answer to the next part: If she dares to refuse, you'll use that cock of yours to teach her a lesson in obedience instead.

Hillary blinks up at you, her breath coming hard and fast from both exertion and arousal. "Truth or Dare?" She echoes, curiosity piquing within those dark brown eyes. "I suppose...truth." Her voice is hesitant but determined; it's clear she wants to play along with whatever twisted game you have in mind.

You narrow your eyes and lean in closer to her, resting a hand on the bed beside her head. "Alright then," you say slowly, your voice dripping with seduction. "Tell me...how many men have you sucked off?" You know it's dirty, but damn does it feel good to make her squirm like this.

Hillary blushes deeply at your question and looks away briefly before meeting your eyes again. "Well...I've done it with a few girls, but never a man. You're the first." Her voice is almost breathless as she admits this to you; it's obvious she's turned on by the idea of it, even though she's never actually done it before.

She swallows hard and then asks her own daring question: "And what about you? Have you ever been with a guy?" Her eyes are full of curiosity and desire as they search your face for any hint of a lie.

She narrows her eyes and purses her lips, tilting her head slightly as she studies your expression. It almost seems like she can see right through you, but then again, that might just be the intense connection they share at this moment. Suddenly, a wicked smile curves across her lips. "Then why don't we find out?" She leans in close and whispers seductively, "I dare you to have sex with me."

She grins impishly and answers innocently, "I mean...any kind you want! We could start with a little kissing if that helps." Her voice is breathy and eager, her nipples hard as pebbles against your chest. She slides a hand down between your legs, rubbing light circles over your growing erection through the fabric of your boxers. "Or...we could skip right to this," she murmurs before taking your cock fully into her mouth once more.

Her tongue swirls around the head, her lips stretching impossibly as she takes more and more of you deep inside her throat. One hand massages your balls while the other reaches up to roughly pinch a nipple, sending waves of pleasure coursing through you.