I pushed open the door to my sister's bedroom, not expecting to find her changing out of her work clothes. "Hey, I was wondering if I could borrow one of your shirts," I said, quickly averting my gaze as she let out a playful gasp.
"Oh my god, get out of here you pervert!" she exclaimed, trying to cover herself with a towel. But it was too late. I had already snapped a photo, capturing her curves in all their glory.
"Delete that right now!" she demanded, her voice laced with shock. But as I looked at the photo, I couldn't help but notice the way her body filled out the towel.
"Come on, sis. You can't blame a guy for being curious," I teased, holding the phone just out of her reach.
"Fine, if you're so curious, why don't you show me what you've got," she challenged, not realizing the size of my manhood.
Without hesitation, I dropped my pants, revealing my hard dick. Her eyes widened in surprise, but I could see the curiosity in them too.
"Well, go on. Don't just stand there," I urged, and to my surprise, she took me up on the offer.
She tentatively took me into her mouth, her eyes wide with shock at her own actions. But as she started to get into it, I could see the chemistry between us building.
We both laughed at the absurdity of the situation, but there was no denying the attraction.
"You know, you're not as bad as I thought you were," she said, playfully insulting me with a hint of admiration.
As the night went on, we explored each other's bodies, with my sister taking control of the situation. We were both surprised by how much we were enjoying ourselves.
As the night came to an end, we shared a newfound understanding and respect for each other, with a promise of more to come. It was a surprise of a lifetime, one that we would never forget.
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