"Well, good morning to you too, sis," he said, trying to keep his voice steady. "You're really showing off today, huh?"
She grinned, plopping down in the seat next to him. "Just trying to beat the heat," she replied, leaning back and stretching her long, tanned legs out in front of her.
Jack couldn't help but stare at the way the thong disappeared between her legs, the curve of her hips on full display. "You're going to give the neighbors quite a show," he said, trying to sound teasing but failing as his voice came out husky.
She laughed, reaching for the cereal box. "Let them look. It's not like they haven't seen it all before."
He raised an eyebrow, pouring himself a cup of coffee. "You're awfully confident today."
She grinned, pouring herself a bowl of cereal. "Why shouldn't I be? I know I look good."
He couldn't argue with that. She did look good. Too good. He cleared his throat, trying to focus on anything but the way her breasts were bouncing as she ate her cereal.
"So, what's on the agenda for today?" he asked, trying to sound casual.
She shrugged, licking a stray drop of milk from her lips. "I don't know. Maybe a trip to the beach. Or a swim in the pool. Or maybe I'll just stay here and torture you with this view."
He choked on his coffee, coughing. "You wouldn't dare," he said, trying to sound stern but failing as a smile tugged at the corners of his mouth.
She grinned, standing up and stretching again. "Oh, I would. And I will."
He watched as she sashayed out of the room, leaving him with a view of her perfect ass in that tiny thong. He shook his head, finishing his coffee. "She's going to be the death of me," he muttered to himself.
But he couldn't help the smile that spread across his face. Because he knew she was right. She did look good. Too good. And he couldn't wait to see what she had in store for him for the rest of the day.
As the day went on, Emily made good on her threat. She tortured him with her presence, parading around the house in that skimpy bikini, bending over in front of him, and laughing at his discomfort. She was enjoying every moment of it, and he couldn't deny that he was too.
They ended up in the pool, and Emily swam up to him, her bikini top floating loose in the water. "Oops," she said, grinning as she adjusted it.
He couldn't take his eyes off of her. "You're going to drive me crazy," he said, his voice low.
She moved closer to him, their bodies almost touching in the water. "Is that a bad thing?" she asked, her voice soft.
He shook his head, reaching out to touch her arm. "No, it's not. But it's also not a good thing. Not when we're siblings."
She moved even closer, their bodies brushing against each other. "Who says it has to be a bad thing?" she whispered, her lips close to his ear.
He pulled away, swimming to the other side of the pool. "We can't do this, Emily. It's not right."
She pouted, but he could see the fire in her eyes. She wasn't going to give up that easily. And he couldn't blame her. He wanted her just as much as she wanted him.
But they couldn't act on it. It was wrong, and they both knew it. But that didn't make the attraction any less potent.
As the sun began to set, Emily finally put on some clothes, and they sat on the porch, watching the sunset. "I'm sorry if I made you uncomfortable today," she said, her voice soft.
He shook his head. "No, it's okay. I just...I can't act on it, Emily. It's not right."
She nodded, understanding in her eyes. "I know. But it doesn't change how I feel."
He looked at her, his heart racing. "And how do you feel?"
She turned to him, her eyes full of desire. "I feel like I want you, Jack. More than I've ever wanted anything before."
He swallowed hard, his resolve weakening. "Emily..."
She leaned in, pressing her lips against his. He hesitated for a moment, but then he gave in, kissing her back.
It was wrong, but it felt so right. He couldn't help himself. He wanted her just as much as she wanted him.
As the sun set, they continued to kiss, their bodies pressed together. They knew they couldn't take it any further, but for now, this was enough.
It was a sizzling summer surprise, one that they would both remember for a long time.
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