My Naughty Little Step-Sister Purple Bitch by lifeselector - Adult Sex Game

This is a kinky story about your step-sister's curious and naughty sexual drive. She is very young and her desire drivers her to siege you to get your cock. She's really into you and always want to have some fun. As you arrive home tired of travelling you find her masturbating in her room. What are you going to do? Do you punish her or help her get off?