Aya felt suffocated by her husband's control... It had been 9 years since she married her husband. They weren't blessed with children, but they were living a reasonably happy life as a couple. However, a few years ago, her husband, who had been accumulating stress from the competition for promotion at his company, gradually began to control Aya. As a result, Aya was forced to quit her job and became a full-time housewife. Furthermore, she was forbidden from going out, and her only way to relieve stress was to go out during the day when her husband was at work. One day, while complaining to a junior colleague about her family, she was introduced to a certain site. She felt stressed by her husband's control, but she didn't want to get divorced... but... if things continue like this, she'll suffocate. That's right... Aya was looking for "convenient play." At that time, Aya learned that "the number of women who want to be tied up is increasing." Encouraged by her junior colleague, Aya, while feeling a sense of transgression, took a step into the unknown world. A new world was waiting for Aya there... Aya, who was suffering from control, releases her unknown sexuality by being tied up...