الأخت الصغيرة مازي تطلب من أخيها غير الشقيق جوشوا بعض المساعدة في مشروع هزات الجماع البشرية

Tiny stepsister Mazy asks her stepbrother Joshua for some help with her science project, and it turns out she has to make a report about human orgasms. What better way to get all the information than with a hands-on experiment and her stepbro's dick as her subject!