SW-114 - My cousin keeps grinding on my lap like she's still a child, so I took her right there

My cousin came over to visit, and she's acting just like she did when we were kids, calling me 'oppa' with that innocent smile. She sat on my lap and started grinding her soft butt against me, making me rock hard. I couldn't resist, so I snuck her away from our parents' eyes and plowed her tight pussy.