The family was crammed into our old station wagon, chattering excitedly about the upcoming beach day. I was stuck in the middle, my little sister perched on my lap due to the lack of space. We were both wearing our bathing suits, hers a bright pink bikini that showcased her flat stomach and perky breasts, mine a pair of black trunks that did nothing to hide the growing bulge between my legs.
"Watch it, perv," my sister said, shooting me a playful glare as she accidentally pressed against my crotch. I tried to play it cool, but another bump in the road caused the same thing to happen. This time, she noticed the bulge in my trunks. Her eyes widened in confusion and nervousness.
"Sorry," I said, trying to make light of the situation. "Road's a little bumpy."
She playfully insulted me again, calling me a "pervert" but with a hint of a smile on her face. I tried to play it off as a joke, but the wetness between her legs was becoming more noticeable. She was getting turned on, and she couldn't deny it.
The bumps in the road became more frequent, and she couldn't ignore the feeling of my hardness pressing against her twat. She tried to ignore it, focusing on the scenery outside the window. But another bump caused my dick to poke her twat again. This time, she couldn't help but gasp.
"Can't control yourself, big brother?" she said, with a teasing tone. I tried to play it off as a joke, but she was getting turned on, and there was no denying it.
She looked at me, her eyes filled with desire. She leaned in closer, her breath hot on my neck. I tried to stay calm, but her proximity was making it difficult. She whispered something in my ear, something filthy and dirty. I couldn't believe what I was hearing.
I looked at her, my eyes filled with lust. I couldn't resist any longer. I leaned in and kissed her, our tongues intertwining. The car ride became a blur of passion and desire. We couldn't keep our hands off each other.
The car finally arrived at the beach, but neither of us wanted to leave the car. We continued our passionate encounter, not caring about the world outside. When we finally emerged from the car, our bodies were flushed and satisfied. We walked towards the beach, hand in hand, ready for a day of fun and adventure.
As we walked, she looked up at me and smiled. "That was fun," she said, with a wink. I couldn't help but agree. The road trip mishap had turned into something more, something unexpected and exciting. And I couldn't wait to see what else the day had in store for us.
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