Rieko lives with her son while paying off the debt left by her deceased husband. Life is difficult and I have been behind on rent for three months. Her landlord, Sagawa, was reminding her almost every day. Sagawa makes a condition that if she joins him in his hobby, he will wait for the rent, and Rieko accepts for the sake of her son. However, that hobby is "bondage". Rieko was obscenely tied up at Sagawa's command, and her ripe flesh, which the ropes penetrated deeply, was played with with her desire...