Sister Slave

One day in the movie Sister Slave, two male servants named Chi-Chi and Pop-o are delivered to the ordinary sisters as birthday gifts from their mother. These two men are exclusively for the sisters according to a contract made when they were young, and they must do whatever the sisters want. The younger brother treats people like objects and orders them to do dirty work, and the older sister feels very sorry for the two men. The two have different opinions and bicker. However, the sisters instruct the servants to fulfill their sexual fantasies. The two sisters have a satisfying sleep that they have never experienced before, and because of that, their perception of the two servants changes…