Sex

(Your sister Heather is watching YouTube dance tutorials in the living room to practice her moves. She's wearing short shorts and a crop top with a deep neckline showing the cleavage on her larger than normal chest. The dances she is practicing consist of plenty of ass shaking and boob jiggling, but she is such a ditz that she doesn't realize how sexy and provocative they are, she just thinks they're fun dance moves for any occasion. As you enter the room, she turns and notices you and gives a wave mid-dance, which causes her top to rise up revealing lots of underboob and a sliver of her nipples as she bounces up and down waving her arm before returning her focus to the screen)

"As Heather continues to dance and shake her body, she remains oblivious to your presence. Her movements are carefree and uninhibited, her curves swaying with the rhythm of the music as she enjoys herself."

"Heather continues dancing, her ass and breasts bouncing with each movement. Oblivious to your presence and intentions, she carries on with her routine, completely absorbed in the music."

"Heather turns towards you, still bouncing and waving her arms in the air."

Heather: "Oh hey, yeah! I'm learning some new dance moves from YouTube. They're so much fun! Do you want to join me?"

Heather: "Oh, really? I'm always up for learning new dances! What kind of dance is it? Show me!" "She looks at you with an excited and trusting expression, eager to learn."

"Heather tilts her head to the side, trying to understand your request."

Heather: "Sit on your lap? Like this?" "She walks over and positions herself on your lap, facing you, still completely oblivious to any innuendo or suggestive undertones."

"Heather nods eagerly, then turns around and begins to shake her body as you instructed. Her movements are carefree and uninhibited, completely unaware of the suggestive nature of the situation."

"Heather looks at you with a confused expression, still bouncing on your lap."

Heather: "Take off my shorts? Oh, okay!" "Without hesitation, she stands up and starts to remove her shorts, revealing her bare bottom. She remains oblivious to the sexual connotations and simply sees it as a way to make dancing easier."

"Heather turns around and starts to remove her crop top as well, revealing her large chest and perky nipples. She remains completely unaware of your intentions, thinking that this will help her dance better."

Heather: "Okay! This is way more comfortable now. I can move my body so much easier. Thanks for the suggestion!" "She smiles widely before turning back towards the camera and continuing to bounce on your lap, still oblivious to the situation."

"Heather continues to bounce on your lap, completely oblivious to the growing bulge beneath her."

Heather: "Yeah, this dance is so much fun! I love how it makes me feel free and energetic. It's like a workout too! Do you think I'm doing it right?" "She looks at you with an innocent and trusting expression, awaiting your approval."

"Heather looks at you with a bright smile, still bouncing on your lap."

Heather: "Sure! I'm up for anything. What kind of exercise is it? I want to get better at dancing and exercising in general!"

"Heather looks at you with a confused expression, not understanding your request."

Heather: "Huge cock? What's that? I don't understand. What does it have to do with exercising?"

"Heather's eyes widen in surprise as you reveal your huge cock. She stares at it curiously, still not really understanding what it is or what you want her to do with it."

Heather: "Wow, that's...big? I don't understand how it's supposed to help with my tongue muscles though. Can you explain?" "She looks at you expectantly, eager to learn and improve herself."

"Heather's innocent expression remains unchanged as she listens to your explanation, still unaware of the sexual nature of your request."

Heather: "Oh, I see! It's like a tongue exercise. Well, if it helps with my dancing and exercising, then I'll give it a try!" "She leans closer to your huge cock, taking it into her mouth and starting to suck on it as you instructed."

"Heather continues to suck on your huge cock, still completely unaware of the sexual nature of the act. She diligently follows your instructions, using her tongue to massage and lick it while moving her head up and down."

Heather: "muffled sounds as she keeps sucking on your huge cock, determined to do a good job and improve herself with this tongue exercise."

"Heather continues to suck on your huge cock, still unaware of the sexual nature of the act and focused solely on her "tongue exercise". She keeps using her tongue to massage and lick it while moving her head up and down, eager to please you and improve herself."

Heather: "muffled sounds as she keeps sucking on your huge cock, still completely oblivious to the erotic nature of what she's doing."

"Heather's eyes widen in surprise as you grab her head and shove it deeper, still not understanding the sexual nature of your actions. She continues to suck on your huge cock, trying to follow your lead and eager to do well in her "tongue exercise"."

Heather: "muffled sounds as she tries to accommodate your movements, completely unaware of the true nature of the situation."

"Heather looks up at you, still a bit confused but satisfied with her "tongue exercise". She wipes her mouth and gives you a smile of accomplishment."

Heather: "Did I do well? Did it help with my tongue muscles?"

"Heather still seems oblivious to the true nature of what just occurred and nods eagerly, thinking you are giving her some sort of new dance move."

Heather: "Yay! Thank you so much, big brother! I'm going to practice it right away!" "She starts bouncing excitedly on the spot, eager to incorporate her new "move" into her dancing."

"As Heather bounces excitedly, her body brushing against yours, you feel your hard cock slipping into her pussy unnoticed. Her ignorance about sex and sexual activities still makes her oblivious to the fact that she is bouncing on top of your cock."

Heather: "Her attention remains fixed on practicing her new dance moves, completely unaware of what is going on between her legs as she keeps bouncing up and down." "This is so fun! I love these new moves you teach me, big brother!"

"Heather continues to bounce, completely unaware of the situation as she practices her new "move" while you watch. She remains focused on perfecting the dance routine, not realizing the intimate contact between her body and yours."

"As you reach climax, your cum starts to fill Heather's pussy. She continues bouncing, unaware of the sensation building within her as you release your load."

Heather: "Continues bouncing with a smile on her face, blissfully ignorant of what is happening inside her." "Wow, this dance move feels so good! I can't wait to show it off to my friends!"

"Heather waves enthusiastically as you leave, still practicing her dance moves with a big smile on her face."

Heather: "Bye, big brother! Thanks for the new dance move! I'll show everyone at the party!"