The sister living alone in the city was living a luxurious life, selling her body to be a mistress. Then, from the countryside, her brother and friend came up to Tokyo. The two of them couldn't get enough of their sister's sex appeal. Noticing this, their father enjoyed showing off his sister having wild sex with him right in front of the two. Unable to hold back any longer, the brother and friend forcefully pressured their unwilling sister into a physical relationship.
