F-cup breasts with a perfect shape, a soft and plump lower body, and a large butt. Standing at 145cm tall with a petite body, twin tails suit the cute little sister Rio. While their parents are away on a trip, only the brother and sister are left in the house. After confessing their hidden feelings to each other, they finally enter into a forbidden relationship! The brother's intense foreplay and rough sex make her ultra-sensitive body tremble, leading to repeated squirting orgasms!
