"The trigger was my husband's affair." Rumiko Kawagoe, 40 years old.She is the mother of two children who will be married for 15 years this year.When she was a student, she was Rumiko, who was a model student with a strong sense of responsibility and seriousness so that she was elected as the student council president in the school election.She is Rumiko, a neat and clean wife who seems to have no connection or connection with AV, but one day she suddenly visited X-day, which is the trigger for her this time.Her husband's affair is revealed. "When I saw him desperately making vague excuses that he was just a sex friend and not a mistress, I suddenly cooled down... But more than the shock of being betrayed, my husband, who I thought was serious, When I realized that I had that kind of nature, the weight on my shoulders was lifted and I became lighter.” An obedient wife who has been expected to be an honor student and has been oppressed until now, finally fulfills her desires after making a pact with a stranger. release.