My little sister is so adorable that she never leaves her big brother and follows me around in the bathtub, bathroom, and in bed! I can't help but get an erection even though I'm dealing with my little sister! So I grabbed her boobs and pretended to attack her as a joke to get rid of her... She looked at me with a woman's face and said, "If it's your brother, it's okay," and asked for it herself with moist eyes! I couldn't hold back and cum inside of her again and again, splashing sperm all over her body and pussy, inside and out!