Rieko lives with her son while paying off the debt left by her deceased husband. Her life is difficult and she has been behind on her rent for three months. Her landlord, Sagawa, was reminding her almost every day. She is given a condition by Sagawa that if he joins her in her hobby, he will wait for her rent, and Rieko accepts for the sake of her son and her rent. However, her hobby is "bondage". Rieko was tied up obscenely at the command of her girlfriend Sagawa, and her ripe flesh, where her ropes penetrated deeply, was played with according to her desires...