When I came back from my part-time job, there was a busty woman, and she was naked, in the hallway of my apartment. It seemed she had been locked out by the handsome guy next door and came seeking help. So, I decided to let her stay at my place for a while. Since she was naked, I lent her some clothes, but since they were without underwear, her large breasts and butt were peeking through, and I couldn't help but stare, which led to an erection. Seeing my erection, she got turned on on her own...