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Step-Sibling Rivalry: A Big Dick Showdown

Chapter One: The Big Reveal

Dan grumbled as he struggled to button his pants, muttering to himself about how they were clearly designed by someone who had never seen a real man’s package. He was just about to give up and change into something else when the door to his bedroom swung open, revealing his step-sister Sarah.

“Hey, big guy,” Sarah said, smirking at Dan’s frustrated expression. “Having trouble fitting into those pants?”

Dan shot her a glare. “Very funny, Sarah. These pants are just too tight.”

Sarah raised an eyebrow. “Oh, I don’t know. I think they’re just the right size for someone with as much ego as you.”

Dan scoffed. “You have no idea what you’re talking about. These pants just don’t do me justice.”

Sarah’s smirk grew wider. “Is that so? Prove it.”

She rummaged through Dan’s closet, pulling out a pair of tiny shorts that made Dan’s eyes widen in horror. “No way. There’s no way these will fit.”

Sarah shrugged. “Then it’s a good thing we made a bet, isn’t it? If you can’t fit into those shorts, you have to do my chores for a week.”

Dan gritted his teeth, but he couldn’t back down now. He was confident in his endowment, and he wasn’t about to let Sarah win. “Fine. I’ll take that bet.”

He stripped off his pants and struggled to pull on the shorts, wincing as they dug into his skin. Sarah watched with amusement, her eyes fixed on Dan’s crotch.

“Well, well, well,” she said, a hint of a lewd tone in her voice. “It looks like you managed to squeeze into them after all.”

Dan blushed, embarrassed but also turned on by Sarah’s blatant stare. “Stop looking at me like that,” he said, his voice husky.

Sarah’s smirk grew even wider. “Oh, come on. You can’t blame me for being curious. You’ve been talking yourself up so much, I just had to see for myself.”

Dan glared at her, but he couldn’t deny the spark of desire that had been ignited. “Fine. If you’re so curious, why don’t we make another bet?”

Sarah raised an eyebrow. “What kind of bet?”

Dan’s eyes gleamed with determination. “If I can satisfy you, you have to admit that I’m not all talk.”

Sarah’s eyes widened, but she was intrigued. She was slightly tipsy from the wine she had been drinking, and the thought of Dan proving himself was too tempting to resist. “Fine. I’ll take that bet.”

Dan and Sarah moved closer to each other, their bodies pressing together as they started to get intimate. Sarah was in control, her hands roaming over Dan’s body as she directed him to pleasure her. Dan was eager to please, his own desire growing as he felt Sarah’s response.

As the night wore on, Dan proved that he was more than just talk. And Sarah, to her surprise, found herself admitting that he was right.

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