unfortunately, it looks as though your comments were lost in translation as her English is, at best, poor. I agree with you in that her boobs are beautiful, full and round. Her ass is also the best I have ever seen!
If she's your "stepsister," I'm John Holmes. Why do people (usually guys) have to make up titles here? What's so hard about telling the truth? Especially when the only one you're fooling is yourself?