Behen ko Choda jab ghar pe koi nahi tha - First time fucked my Step Sister while giving him shoulder massage

My Stepsister was calling me for a shoulder massage. Then she wanted to feel my hand on her boobs and her pussy, I did as she asked for, and after that my dick got erect, and I Could not stop myself, she was asking to see my dick. so I pulled it out, Then we started fucking.