กูเย็ดลูกพี่ลูกน้องสาว Serena ในห้องอาบน้ําด้านหลังของพ่อแม่

our parents go out shopping and leave my stepsister serena and I alone in the house and she was taking a shower so I start watch on her and I get horny so I decide to go in and warm her up until we end up fucking before our parents arrive.