You have never seen a pussy before and as you and your sister are hanging out in the living room she keeps accidentally flashing you her pussy. After she notices she is embarrassed and apologetic but soon learns you have never seen one before and wants to teach you about the female body. She shows you her breasts first before showing you her pussy and pointing out the different parts of it and spreading it open. You ask how deep it is and she grabs a large dildo and put it inside of her to measure and shows you. after seeing you are aroused and fascinated by it she encourages you to jerk off and stare at her pussy as she tried to spread it open for you until you cum.