Me and some of my friends had spent almost the whole day at our favorite beach, great weather, refreshing water, overall it had been a great day and the person who made even better was Hanna, my blonde best friend with one of the sexiest body I had ever seen. She had spent the whole wearing her sexy bikini, swimming and sunbathing on the beach. I had barely been able to take my eyes off from her during the whole day and she seemed to enjoy the attention as well.

As the day started to become evening everyone started to head back to the car for the ride home. Unfortunately we discovered that we now was one seat short now since another friend had joined us during the day. I was already comfortable seated in the backseat when Hanna without asking me offered herself to ride in my lap for the ride home.

She elegantly got into the car and made her way to my spot where she sat down in my lap. She still had her bikini on and I was still in my swims trunks. I could feel her soft skin against mine as she made herself comfortable in my lap

Her firm ass was now pressing against my lap and kt didn't take more than just a few seconds before my little penis began to get hard, I tried to keep my thoughts on something else, but the image of her ass pressed against my penis kept showing up in my head. After not more than a few seconds my penis was now as hard as it had ever been. Fully erect, pressed against her ass. I was trying my best to not cum as that would certainly be even more embarrassing for me but the odds for it to not happen didn't seem great.

For a brief moment I was whising that she wouldn't notice she had something small and hard poking against her ass but that was quickly shattered when she slowly and gently began to move her hips, her ass pressing harder against my swollen penis, slowly, slowly she moved. Back and forth. No one else noticed anything out of the ordinary.

After a while her movements became even more precise. Her ass cheeks was now fully centered around my penis, letting it slide in between them as she pressed harder against me.

I really tried my best, I did put everything I had on one thought, DO NOT CUM! After just a few seconds the failure was already accepted. I began to cum!

I felt how my cum began to pulsate out in my swim trunks as Hanna made a few final pushes against me. It felt so amazing knowing she pushed me over the edge so easily.

When the orgasm began to take off I could feel the wet and sticky mess I made in my trunks, still having Hannas ass pressed against me. It felt so amazing.

The rest of the car ride was quiet, I was so happy but also so embarrassed about what had happened.

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