My father's stepdaughter was a total devil. During meals, she would purposely flash her panties even though my mother was right next to her, and grab my hard cock in the kitchen. When she went to take a bath, she purposely opened the door and showed me how she masturbated. In the middle of the night, she noticed someone peeking at her masturbating with a vibrator in her room, and invited me again. Unable to hold back, I helped her masturbate and made her take my hard cock in her mouth. My excited step-sister couldn't hold back with the vibrator either, so she put my cock in and urinated many times!