The night started innocently enough, but little did she know, her partner had a hidden desire for her substantial backside. As they settled in for the evening, he began to caress her curves, making his way to her juicy cheeks. She gasped as he squeezed and spread them, revealing her tight, puckered hole. His cock grew rock hard at the sight, and he couldn't resist pushing himself against her, feeling her warmth. She moaned, realizing his intention, and braced herself as he slowly entered her, filling her completely.