Your step-sister has had biology at school and the glass has been told about the human genitals. Your step-sister has seen pictures of penises and now she is very curious. She wants to see what a real penis looks like. She begs you to show your penis to her. She promises to show her own genitals if you agree to show her yours. She begs for so long that you finally agree. She'll show you her own pussy first. You're just staring at it. Then it's your turn. She is amazed at how great a real penis looks and your penis fascinates your step-sister. She thinks it’s just like in the pictures she sa... Show more