Intercourse with my sister's partner until ejaculation within her

After a steamy session with my sister's partner, I eagerly take him for a wild ride, pushing him to his limits until he reaches climax inside her. An intense, raw encounter that leaves us both breathless.

After a steamy session with my sister's partner, I'm left craving more. As I'm about to leave, he suggests we have some fun with my sister. She's always been open about her desires, and I know she's been yearning for some intense action. I can see the spark in her eyes, and I know exactly what she wants.I lead her to the bedroom, where I instruct her to get on her knees. I then position myself behind her, ready to take her from behind. But before I dive in, I give him a nod, and he eagerly takes my place, ready to fulfill my sister's deepest desires.The room fills with the sounds of passionate moaning and heavy breathing as he plunges into her, taking her to new heights of pleasure. I watch, my excitement growing with every thrust. I can feel the heat building up inside me, and I know it won't be long before I reach my climax.As he continues his relentless pounding, I can feel myself getting closer and closer to the edge. And then, with one final thrust, I release, my hot cum filling her up.