Steamy encounter with stepsister as I surprise her with my monster cock

I was walking up to my stepsister's house and I couldn't help but think about how much I wanted to see her. I had been thinking about her for days and I just couldn't get enough. As soon as I saw her, I knew I had to show her what I had been dreaming about. I pulled out my monster cock and she was taken aback, but she was also excited. She started to stroke it and then she started to suck it. It was the hottest thing I had ever seen. I could tell she was into it and I knew I had to take it further. I pushed my hard dick into her ass and she moaned with pleasure. It was the best sex of my life and I knew I would do it again in a heartbeat.