I accidentally saw my friend's older sister in her unguarded erotic pose at home! She was a female doctor, so my excitement doubled and my erection increased by tenfold. Ah, I can't take it anymore. If that erotic female doctor did that to me, I couldn't hold back any longer while imagining it. So, I ended up stepping into the female doctor's private room while she was relaxing and inserted myself into her vagina!
