Satoshi felt suffocated by her husband's control… Married to him for 16 years. They hadn't been blessed with children, but the two of them had lived a fairly happy life together. However, in recent years, her husband, who had been stressed from competition at work, gradually started to control Satoshi. Because of this, Rieko was forced to quit her job and became a full-time housewife. She was even forbidden from going out, with the only time she could relax being when her husband went to work in the middle of the day. One day, while complaining about her family troubles to a junior colleague, she was introduced to a certain website by that junior. Though she felt stressed by her husband's control, she didn't want a divorce… 、But… if things go on like this, I'll suffocate. Right… Satoko was looking for 'convenient fun'. Just then, Satoko heard that recently 'the number of women who want to be tied up is increasing'. Pushed by a junior colleague, despite feeling guilty, Satoko took her first step into the unknown. There, a new world awaited Rieko... Rieko, who had been suffering from restraints, opened up to unknown sexuality by being bound.
