The younger sister takes care of her older sister in place of their parents who are busy at work. But she invites men over to the house and has sex all day long. The older sister spies on her and masturbates. In the room where her older sister is sleeping, a man comes on to her and penetrates her from behind, and uses toys on her until she climaxes in convulsions! The older sister is teased while sleeping by a man who is not satisfied with her younger sister's body and cums in her mouth. Influenced by her younger sister, the older sister goes into heat and goes wild with her delicate body!