While visiting my friend's house, I found his female college student sister living there alone. As we played games together to pass the time, I caught glimpses of her panties peeking through her short skirt. With an estimated G-cup, her deep cleavage was impossible to ignore, and her innocent, adorable personality made it worse as she kept pressing her large breasts against me. The warmth of her thighs shook my resolve until I could no longer hold back. Eventually, I gave in and pinned her down.