Aya felt suffocated by her husband's restrictions... She had been married to her husband for nine years. Although they were not blessed with children, the couple lived a relatively happy life. However, several years ago, her husband, who had been stressed by the fight for promotion at work, gradually began to restrict Aya. Because of this, Aya was forced to quit her job and became a full-time housewife. She was also forbidden from going out, and her only way to relax was to go out during the day when her husband was at work. One day, when she was complaining about her family life to a junior colleague, he introduced her to a certain website. She felt stressed by her husband's restrictions, but she didn't want to get divorced... but... she would feel suffocated if things continued like this. Yes... Aya was looking for "convenient play." At that time, Aya learned that recently "the number of women who want to be tied up is increasing." Pushed by her junior colleague, Aya took a step into an unknown world, even though she was reluctant to leave due to a sense of immorality. A new world awaits Aya there... Aya, who has suffered under bondage, releases a new sexuality that she has never known before...