Chihiro is ordered to clean up her older step-sister's bedroom. When she takes a break,the older step-sister returns and demands to know why her room hasn't been tidied up. The receives a hand spanking,but when she finds a certain box in the dresser drawer she gets an opportunity to revenge! Chihiro orders her older step-sister across her knees. She then spanks her big step-sis soundly and records the scene with a video camera. Now it's the older step-sister being totally humiliated!